If X 1 ,X 2 , . . . , X n is a random sample from

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If X1,X2, . . . , Xn is a random sample from a distribution with pdf

show that Y = 2 ‾X is an unbiased estimator of θ and determine its efficiency.

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Introduction To Mathematical Statistics

ISBN: 9780321794710

7th Edition

Authors: Robert V., Joseph W. McKean, Allen T. Craig

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