Question: A random sample X1, X2, ... , Xn of size n is taken from N( , 2), where the variance = 2 is such

A random sample X1, X2, ... , Xn of size n is taken from N( μ, σ2), where the variance θ = σ2 is such that 0
6- (1/1) ΣΗ (X-2 (X;

and that this estimator is an unbiased estimator of θ.

6- (1/1) (X-2 (X;

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