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categoryإحصاء schoolبكالوريوس event_available2026-07-15

السؤال

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Suppose we have a random sample of size 2n from a population denoted by X and E(X) = μ and V(X) = σ². Let = 2n 1 X and X₂ 2n i=1 n == n Ση i=1 be two estimators of μ. Which is the better estimator of μ? Explain your choice.

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