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statistics.ppt

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Pearson-Product Moment Correlation Coefficient (r) C O V  x y = A measure of the relation b etween x and y, but is not standardized To standardize , we divide the covariance by the size of the standard deviations !iven that the maximum value of the c ovariance is "lus or minus the "roduct of the variance of x and the variance of y, it follows that the limits on t he correlation coefficient are # or $ %& r C O V  s s  x y  x y =

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