Let X be a random variable with E(X) = μ and V (X) = σ2. Show that

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Let X be a random variable with E(X) = μ and V (X) = σ2. Show that the function f(x) defined by

f ia)-Σχ(ω) - )
Has its minimum value when x = μ.
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Statistical Inference

ISBN: 978-0534243128

2nd edition

Authors: George Casella, Roger L. Berger

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