Given a random variable A, with standard deviation x and a random variable Y a bX, show that if b 0, the correlation coefficient pXY 1, and if b 0, pXY 1 ...

Given a random variable A, with standard deviation x and a random variable Y = a +

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Given a random variable A, with standard deviation σx and a random variable Y = a + bX, show that if b < 0, the correlation coefficient pXY = —1, and if b > 0, pXY = 1.

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Probability & Statistics For Engineers & Scientists

ISBN: 9780130415295

7th Edition

Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying

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Question Posted: Feb 03, 2011 03:16 AM

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Given a random variable A, with standard deviation x and a random variable Y = a +

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