Let X1,... ,Xn be iid n(,2). Find a function of S2, the sample variance, say g(S2), that

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Let X1,... ,Xn be iid n(μ,σ2). Find a function of S2, the sample variance, say g(S2), that satisfies Eg(S2) = σ. (Hint: Try g(S2) = c√S2, where c is a constant.)
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Statistical Inference

ISBN: 978-0534243128

2nd edition

Authors: George Casella, Roger L. Berger

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