Let Yz, Y , ..., Y, be a random sample of size n from a normal population with mean u and variance 02. Assuming that n =
Posted: Mon Apr 11, 2022 6:21 am
Let Yz, Y , ..., Y, be a random sample of size n from a normal population with mean u and variance 02. Assuming that n = 2k for some integer k, one possible estimator for o2 is given by A2 = 2k $ (Y2;- Yai - 2)2 (a) Show that รด2 is an unbiased estimator for o? E(62) X k x