# OCME · Knowledge & practice explorer

302 MKO / 1,441 families / 360 batches / 36,000 questions.

36,000 second-context math/bilingual reviewed; 0 display/symbol-checked candidates. Source questions: candidate. English: ai_candidate. No new proof, Lean, SREG or training.

1 results; page 1/1.

## Question 25532: The Cross Term Vanishes Because the Centered Estimator Has Mean Zero

- ID: `q-20261015-advance-20261115-r03-bias-variance-decomposition-0032`; number: 25532
- Processing: second_context_reviewed
- MKO: [mko-bias-variance-decomposition](/en/mko/mko-bias-variance-decomposition/)
- Family: [qf-mod46-biasvar-cross-term-cancellation](/en/explore/?family=qf-mod46-biasvar-cross-term-cancellation)
- Batch: [batch-20261015-advance-20261115-r03-bias-variance-decomposition-foundations](/en/explore/?batch=batch-20261015-advance-20261115-r03-bias-variance-decomposition-foundations)
- [Derivation](/en/questions/q-20261015-advance-20261115-r03-bias-variance-decomposition-0032/) / [Markdown](/en/questions/q-20261015-advance-20261115-r03-bias-variance-decomposition-0032/index.md) / [JSON](/data/question-derivations/questions/q-20261015-advance-20261115-r03-bias-variance-decomposition-0032.json)