Question: Let 2. (a) Propose a plug-in estimator b for . (b) Calculate E b . (c) Propose an unbiased estimator for .

Let µ Æ ¹2.

(a) Propose a plug-in estimator bµ for µ.

(b) Calculate E

£bµ

¤

.

(c) Propose an unbiased estimator for µ.

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