Question: Let X1, . . ., Xn be a random sample from a population with mean m and variance 1. Show that -cap2 = X-bar2 is

Let X1, . . ., Xn be a random sample from a population with mean m and variance 1. Show that μ-cap2 = X-bar2 is a biased estimator of μ2, and compute the bias.

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