Nonempty Observation List Descriptive Statistics Foundations

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batch-20261005-advance-20261006-r07-descriptive-statistics-foundations · 2026-10-05 · 100 questions

This English edition is an AI candidate and does not yet have an OCME Atlas (GPT-6) Twin closure receipt.

1. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[0]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

0/1

Sum all 1 observations with their multiplicities and divide by that positive count, obtaining 0/1. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

2. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[-3, -3, -3]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-3/1

Sum all 3 observations with their multiplicities and divide by that positive count, obtaining -3/1. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

3. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[-4, 1, 8]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

5/3

Sum all 3 observations with their multiplicities and divide by that positive count, obtaining 5/3. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

4. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[-2, -2, 5, 5]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

3/2

Sum all 4 observations with their multiplicities and divide by that positive count, obtaining 3/2. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

5. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[-7, -7, 2, 8, 8]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

4/5

Sum all 5 observations with their multiplicities and divide by that positive count, obtaining 4/5. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

6. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[8, 8, 1, -7, -7, -7]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-2/3

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining -2/3. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

7. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[9, 9, 9, -1, -1, -8]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

17/6

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining 17/6. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

8. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[10, 0, 0, 0, -9, -9]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-4/3

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining -4/3. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

9. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[11, 11, 1, -10, -10, -10]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-7/6

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining -7/6. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

10. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[12, 12, 12, -1, -1, -11]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

23/6

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining 23/6. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

11. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[13, 0, 0, 0, -12, -12]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-11/6

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining -11/6. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

12. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[14, 14, 1, -13, -13, -13]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-5/3

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining -5/3. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

13. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[15, 15, 15, -1, -1, -14]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

29/6

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining 29/6. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

14. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[16, 0, 0, 0, -15, -15]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-7/3

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining -7/3. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

15. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[17, 17, 1, -16, -16, -16]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-13/6

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining -13/6. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

16. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[18, 18, 18, -1, -1, -17]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

35/6

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining 35/6. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

17. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[19, 0, 0, 0, -18, -18]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-17/6

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining -17/6. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

18. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[20, 20, 1, -19, -19, -19]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-8/3

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining -8/3. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

19. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[21, 21, 21, -1, -1, -20]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

41/6

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining 41/6. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

20. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[22, 0, 0, 0, -21, -21]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-10/3

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining -10/3. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

21. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[23, 23, 1, -22, -22, -22]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-19/6

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining -19/6. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

22. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[24, 24, 24, -1, -1, -23]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

47/6

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining 47/6. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

23. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[25, 0, 0, 0, -24, -24]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-23/6

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining -23/6. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

24. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[26, 26, 1, -25, -25, -25]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-11/3

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining -11/3. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

25. Arithmetic Mean Retaining Multiplicities

The nonempty observation list is D=[27, 27, 27, -1, -1, -26]. Retain every repetition. Find the arithmetic mean. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

53/6

Sum all 6 observations with their multiplicities and divide by that positive count, obtaining 53/6. Do not average a deduplicated set or infer a population probability law.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-mean · candidate

26. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[0]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

0/1

The sorted list retaining repetitions is [0]. Apply the stated odd/even convention to obtain 0/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

27. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[-3, -3, -3]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-3/1

The sorted list retaining repetitions is [-3, -3, -3]. Apply the stated odd/even convention to obtain -3/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

28. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[-4, 1, 8]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

1/1

The sorted list retaining repetitions is [-4, 1, 8]. Apply the stated odd/even convention to obtain 1/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

29. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[-2, -2, 5, 5]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

3/2

The sorted list retaining repetitions is [-2, -2, 5, 5]. Apply the stated odd/even convention to obtain 3/2; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

30. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[-7, -7, 2, 8, 8]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

2/1

The sorted list retaining repetitions is [-7, -7, 2, 8, 8]. Apply the stated odd/even convention to obtain 2/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

31. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[8, 8, 1, -7, -7, -7]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-3/1

The sorted list retaining repetitions is [-7, -7, -7, 1, 8, 8]. Apply the stated odd/even convention to obtain -3/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

32. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[9, 9, 9, -1, -1, -8]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

4/1

The sorted list retaining repetitions is [-8, -1, -1, 9, 9, 9]. Apply the stated odd/even convention to obtain 4/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

33. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[10, 0, 0, 0, -9, -9]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

0/1

The sorted list retaining repetitions is [-9, -9, 0, 0, 0, 10]. Apply the stated odd/even convention to obtain 0/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

34. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[11, 11, 1, -10, -10, -10]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-9/2

The sorted list retaining repetitions is [-10, -10, -10, 1, 11, 11]. Apply the stated odd/even convention to obtain -9/2; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

35. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[12, 12, 12, -1, -1, -11]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

11/2

The sorted list retaining repetitions is [-11, -1, -1, 12, 12, 12]. Apply the stated odd/even convention to obtain 11/2; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

36. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[13, 0, 0, 0, -12, -12]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

0/1

The sorted list retaining repetitions is [-12, -12, 0, 0, 0, 13]. Apply the stated odd/even convention to obtain 0/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

37. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[14, 14, 1, -13, -13, -13]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-6/1

The sorted list retaining repetitions is [-13, -13, -13, 1, 14, 14]. Apply the stated odd/even convention to obtain -6/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

38. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[15, 15, 15, -1, -1, -14]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

7/1

The sorted list retaining repetitions is [-14, -1, -1, 15, 15, 15]. Apply the stated odd/even convention to obtain 7/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

39. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[16, 0, 0, 0, -15, -15]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

0/1

The sorted list retaining repetitions is [-15, -15, 0, 0, 0, 16]. Apply the stated odd/even convention to obtain 0/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

40. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[17, 17, 1, -16, -16, -16]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-15/2

The sorted list retaining repetitions is [-16, -16, -16, 1, 17, 17]. Apply the stated odd/even convention to obtain -15/2; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

41. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[18, 18, 18, -1, -1, -17]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

17/2

The sorted list retaining repetitions is [-17, -1, -1, 18, 18, 18]. Apply the stated odd/even convention to obtain 17/2; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

42. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[19, 0, 0, 0, -18, -18]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

0/1

The sorted list retaining repetitions is [-18, -18, 0, 0, 0, 19]. Apply the stated odd/even convention to obtain 0/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

43. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[20, 20, 1, -19, -19, -19]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-9/1

The sorted list retaining repetitions is [-19, -19, -19, 1, 20, 20]. Apply the stated odd/even convention to obtain -9/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

44. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[21, 21, 21, -1, -1, -20]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

10/1

The sorted list retaining repetitions is [-20, -1, -1, 21, 21, 21]. Apply the stated odd/even convention to obtain 10/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

45. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[22, 0, 0, 0, -21, -21]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

0/1

The sorted list retaining repetitions is [-21, -21, 0, 0, 0, 22]. Apply the stated odd/even convention to obtain 0/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

46. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[23, 23, 1, -22, -22, -22]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-21/2

The sorted list retaining repetitions is [-22, -22, -22, 1, 23, 23]. Apply the stated odd/even convention to obtain -21/2; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

47. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[24, 24, 24, -1, -1, -23]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

23/2

The sorted list retaining repetitions is [-23, -1, -1, 24, 24, 24]. Apply the stated odd/even convention to obtain 23/2; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

48. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[25, 0, 0, 0, -24, -24]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

0/1

The sorted list retaining repetitions is [-24, -24, 0, 0, 0, 25]. Apply the stated odd/even convention to obtain 0/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

49. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[26, 26, 1, -25, -25, -25]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

-12/1

The sorted list retaining repetitions is [-25, -25, -25, 1, 26, 26]. Apply the stated odd/even convention to obtain -12/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

50. Exact Median of an Odd or Even Observation List

The nonempty observation list is D=[27, 27, 27, -1, -1, -26]. Retain every repetition. Find the median after sorting: one middle value for odd length, or the average of the two middle values for even length. Give a reduced fraction with positive denominator, retaining /1 for integers.

View answer and explanation

13/1

The sorted list retaining repetitions is [-26, -1, -1, 27, 27, 27]. Apply the stated odd/even convention to obtain 13/1; the even-length median need not be an observed value.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-median · candidate

51. Range of an Observation List

The nonempty observation list is D=[0]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

0

Subtract the least observation from the greatest to obtain 0. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

52. Range of an Observation List

The nonempty observation list is D=[-3, -3, -3]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

0

Subtract the least observation from the greatest to obtain 0. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

53. Range of an Observation List

The nonempty observation list is D=[-4, 1, 8]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

12

Subtract the least observation from the greatest to obtain 12. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

54. Range of an Observation List

The nonempty observation list is D=[-2, -2, 5, 5]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

7

Subtract the least observation from the greatest to obtain 7. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

55. Range of an Observation List

The nonempty observation list is D=[-7, -7, 2, 8, 8]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

15

Subtract the least observation from the greatest to obtain 15. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

56. Range of an Observation List

The nonempty observation list is D=[9, 9, 9, -1, -1, -8]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

17

Subtract the least observation from the greatest to obtain 17. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

57. Range of an Observation List

The nonempty observation list is D=[10, 0, 0, 0, -9, -9]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

19

Subtract the least observation from the greatest to obtain 19. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

58. Range of an Observation List

The nonempty observation list is D=[11, 11, 1, -10, -10, -10]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

21

Subtract the least observation from the greatest to obtain 21. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

59. Range of an Observation List

The nonempty observation list is D=[12, 12, 12, -1, -1, -11]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

23

Subtract the least observation from the greatest to obtain 23. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

60. Range of an Observation List

The nonempty observation list is D=[13, 0, 0, 0, -12, -12]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

25

Subtract the least observation from the greatest to obtain 25. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

61. Range of an Observation List

The nonempty observation list is D=[14, 14, 1, -13, -13, -13]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

27

Subtract the least observation from the greatest to obtain 27. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

62. Range of an Observation List

The nonempty observation list is D=[15, 15, 15, -1, -1, -14]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

29

Subtract the least observation from the greatest to obtain 29. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

63. Range of an Observation List

The nonempty observation list is D=[16, 0, 0, 0, -15, -15]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

31

Subtract the least observation from the greatest to obtain 31. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

64. Range of an Observation List

The nonempty observation list is D=[17, 17, 1, -16, -16, -16]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

33

Subtract the least observation from the greatest to obtain 33. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

65. Range of an Observation List

The nonempty observation list is D=[18, 18, 18, -1, -1, -17]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

35

Subtract the least observation from the greatest to obtain 35. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

66. Range of an Observation List

The nonempty observation list is D=[19, 0, 0, 0, -18, -18]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

37

Subtract the least observation from the greatest to obtain 37. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

67. Range of an Observation List

The nonempty observation list is D=[20, 20, 1, -19, -19, -19]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

39

Subtract the least observation from the greatest to obtain 39. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

68. Range of an Observation List

The nonempty observation list is D=[21, 21, 21, -1, -1, -20]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

41

Subtract the least observation from the greatest to obtain 41. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

69. Range of an Observation List

The nonempty observation list is D=[22, 0, 0, 0, -21, -21]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

43

Subtract the least observation from the greatest to obtain 43. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

70. Range of an Observation List

The nonempty observation list is D=[23, 23, 1, -22, -22, -22]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

45

Subtract the least observation from the greatest to obtain 45. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

71. Range of an Observation List

The nonempty observation list is D=[24, 24, 24, -1, -1, -23]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

47

Subtract the least observation from the greatest to obtain 47. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

72. Range of an Observation List

The nonempty observation list is D=[25, 0, 0, 0, -24, -24]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

49

Subtract the least observation from the greatest to obtain 49. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

73. Range of an Observation List

The nonempty observation list is D=[26, 26, 1, -25, -25, -25]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

51

Subtract the least observation from the greatest to obtain 51. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

74. Range of an Observation List

The nonempty observation list is D=[27, 27, 27, -1, -1, -26]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

53

Subtract the least observation from the greatest to obtain 53. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

75. Range of an Observation List

The nonempty observation list is D=[28, 0, 0, 0, -27, -27]. Retain every repetition. Find the range, defined as maximum minus minimum.

View answer and explanation

55

Subtract the least observation from the greatest to obtain 55. A singleton or constant list has range zero; this is neither variance nor a count of distinct values.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-observation-range · candidate

76. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[0]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{0}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {0}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

77. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[-3, -3, -3]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{-3}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {-3}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

78. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[-4, 1, 8]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{-4, 1, 8}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {-4, 1, 8}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

79. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[-2, -2, 5, 5]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{-2, 5}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {-2, 5}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

80. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[-7, -7, 2, 8, 8]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{-7, 8}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {-7, 8}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

81. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[8, 8, 1, -7, -7, -7]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{-7}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {-7}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

82. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[9, 9, 9, -1, -1, -8]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{9}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {9}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

83. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[10, 0, 0, 0, -9, -9]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{0}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {0}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

84. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[11, 11, 1, -10, -10, -10]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{-10}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {-10}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

85. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[12, 12, 12, -1, -1, -11]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{12}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {12}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

86. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[13, 0, 0, 0, -12, -12]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{0}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {0}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

87. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[14, 14, 1, -13, -13, -13]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{-13}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {-13}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

88. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[15, 15, 15, -1, -1, -14]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{15}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {15}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

89. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[16, 0, 0, 0, -15, -15]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{0}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {0}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

90. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[17, 17, 1, -16, -16, -16]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{-16}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {-16}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

91. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[18, 18, 18, -1, -1, -17]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{18}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {18}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

92. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[19, 0, 0, 0, -18, -18]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{0}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {0}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

93. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[20, 20, 1, -19, -19, -19]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{-19}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {-19}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

94. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[21, 21, 21, -1, -1, -20]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{21}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {21}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

95. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[22, 0, 0, 0, -21, -21]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{0}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {0}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

96. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[23, 23, 1, -22, -22, -22]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{-22}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {-22}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

97. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[24, 24, 24, -1, -1, -23]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{24}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {24}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

98. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[25, 0, 0, 0, -24, -24]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{0}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {0}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

99. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[26, 26, 1, -25, -25, -25]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{-25}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {-25}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

100. Set of All Maximum-Frequency Observed Values

The nonempty observation list is D=[27, 27, 27, -1, -1, -26]. Retain every repetition. Under the explicit all-frequency-maximizers convention, give every value with maximum frequency as an increasing set, including all values if every frequency is one.

View answer and explanation

{27}

Count frequencies with all input repetitions retained, then list each maximizing value once. The result is {27}; ties are not broken by choosing just one value, and this stated convention is distinct from textbooks calling an all-distinct list no mode.

Reviewed step-by-step derivation

Descriptive summaries of nonempty observation lists · qf-statistics-maximal-frequency-set · candidate

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