Question: I would like to ask how to do this question Q2. Let X1, X2, - - - ,Xn be an independent random sample from N

I would like to ask how to do this question

Q2. Let X1, X2, - - - ,Xn be an independent random sample from N (0, 6), where 0 > 0. (i) Find 631, the MLE of6 on the space 91 = {6 : 6 > 0}. (ii) Show that l is an unbiased estimator of 6. (iii) Recall that Ex;L = 362. Will 91 be the UMVUE of 6? Explain it. (iv) Find 6A2, the MLE of 6 on the space 92={6:6>6*}, Where 6* is a given nite positive constant. (v) Show that 632 is a biased estimator of 6

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