4. Nonexistence of unbiased procedures. Let Xl ' Xn be independently distributed with density (l/a)j(x -

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4. Nonexistence of unbiased procedures. Let Xl " '" Xn be independently distributed with density (l/a)j(x - ~)/a), and let 0 =

a, a) . Then no estimtor of exists which is unbiased with respect to the loss function (d - nk j a'' , Note. For more general results concerning the nonexistence of unbiased procedures see Rojo (1983)

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Testing Statistical Hypotheses

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Authors: E. L. Lehmann

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4. Nonexistence of unbiased procedures. Let Xl ' Xn be independently distributed with density (l/a)j(x -

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Testing Statistical Hypotheses

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