Question: 1.Let X 1, X 2,...., X n be a random sample from a normal distribution with mean and standard deviation a.Show that X 1 is

1.Let X1,X2,....,Xnbe a random sample from a normal distribution with mean and standard deviation

a.Show that X1 is an unbiased estimator for

b.Show that X1 is not a consistent estimator of

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