Question: Problem 4[30 pts] Suppose X1, . . . ,X15 are iid N(3,02). (a). Find the MLE of 02 then compute its bias and variance. (b).

Problem 4[30 pts] Suppose X1, . . . ,X15 are iid

Problem 4[30 pts] Suppose X1, . . . ,X15 are iid N(3,02). (a). Find the MLE of 02 then compute its bias and variance. (b). Use the Information Inequality to show that (i2 ma: has the smallest variance among all the unbiased estimators of 02

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