Let X 1 ,X 2 , . . . , X n denote a random sample from
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Let X1,X2, . . . , Xn denote a random sample from a normal distribution with mean zero and variance θ, 0 < θ < ∞. Show that Σn1 X2i /n is an unbiased estimator of θ and has variance 2θ2/n.
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Proof Let X1X2 Xn be a random sample from a normal distribution with mean 0 and ...View the full answer
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Related Book For
Introduction To Mathematical Statistics
ISBN: 9780321794710
7th Edition
Authors: Robert V., Joseph W. McKean, Allen T. Craig
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