Question: 4-1.4. Let X1,..., Xn be a random sample from a N(, o) distribution. Recall that (n-1) S2 has a x(n - 1) distribution. Find

4-1.4. Let X1,..., Xn be a random sample from a N(, o) distribution. Recall that (n-1) S2 has a x(n - 1) distribution. Find an unbiased estimator of . 02

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