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Problem 3. (06.31) Let X1, ... , Xn iid N (1,02), and let 5 =** -) denote an estimator of o2. Find the bias, variance, and me

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solution : cet x,,..... hy N(Mor) ve know that (2-37² Xn-1 & if y xm then Elx) = m & vey)=2m s Lot 22 ħ 8(x; -278² 2 = x (x -

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