Product moment correlation coefficient defined

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Let rp be the Pearson product moment correlation coefficient defined in (8.78). Show that rs (8.63) is simply this Pearson product moment correlation coefficient applied to the rank vectors (R1, ... , R) and (S1, ... , S) instead of the original (X1, ... , Xn ) and (Y1, ... , Yn ) vectors.

Reference no: EM131108503

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