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16. (10 points) Let X.X.... be iid from distribution with mean pand variance a The sample variance is defined as S2 = 21 A. P
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o het moan X, X,... M and Xn be var 52 ind from disth writer - na 2X s2 - Ecxr-x)2 nh E(52) - E l xo? a = 1 [nE(Xi) - nE(8297

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