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3. (20pt) Suppose we have a random sample size of 2n from a population denoted by X, and E(X) - and V(x) - 02. Let

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3. (20pt) Suppose we have a random sample size of 2n from a population denoted by X, and E(X) - and V(x) - 02. Let 2n TL 1 X1 2n X; and X2 = Xi n -1 be the two estimators of u. Which is the better estimator of ? Explain your choice using bias, standard error, and mean square error

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