a) Show that = 1 (Xi X)2/n. is a biased estimator of 2. (b) Find the

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a) Show that Σ = 1 (Xi – X)2/n. is a biased estimator of σ2.
(b) Find the amount of bias in the estimator.
(c) What happens to the bias as the sample size n increases?
(

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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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Question Posted: Apr 05, 2010 02:38 AM

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a) Show that = 1 (Xi X)2/n. is a biased estimator of 2. (b) Find the

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