7 61 Standard deviation of a proportion Suppose x 1 with probability p, and x 0 with probability 11 p2 Then, x is the special case of a binomial random variable with n 1, so that np(1 p) p(1 p) With n trials, using the formula Vn for a standard deviation of a sample mean, explain why the standard d...

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7.61 Standard deviation of a proportion Suppose x = 1 with probability p, and x = 0...

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7.61 Standard deviation of a proportion Suppose x = 1 with probability p, and x = 0 with probability 11 - p2. Then, x is the special case of a binomial random variable with

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Statistics The Art And Science Of Learning From Data

ISBN: 9781292164878

4th Global Edition

Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg

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Question Posted: Sep 14, 2024 05:02 AM

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7.61 Standard deviation of a proportion Suppose x = 1 with probability p, and x = 0...

Question:

n = 1, so that = np(1 p) = p(1 - p). With n trials, using the formula /Vn for a standard deviation of a sample mean, explain why the standard deviation of a sample proportion equals Vp(1 - p)/n.

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Statistics The Art And Science Of Learning From Data

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