KnowraRao–Blackwell theoremLinked fromLinked fromThe 4 pages that link to Rao–Blackwell theorem, each with the reason it gives.All 4Related 3Compared with 1Conditional expectationRelated: It turns conditional expectation into a method for improving statistical estimators.Sufficient statisticRelated: It turns a sufficient statistic into a tool for improving unbiased estimators.Lehmann–Scheffé theoremRelated: Conditioning supplies the variance-reduction step used alongside completeness.Basu's theoremCompared with: It uses sufficiency to improve estimators rather than to prove independence.