34. Let ZX be the standardized X, ZX(XmX)/sX, and let ZY be the standardized Y, ZY ...
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34. Let ZX be the standardized X, ZX(XmX)/sX, and let ZY be the standardized Y, ZY (Y mY)/sY. Use the results of Exercise 31 to show that Corr(X, Y)
Cov(ZX, ZY) E(ZXZY).
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Related Book For 
Modern Mathematical Statistics With Applications
ISBN: 9780534404734
1st Edition
Authors: Jay L Devore
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