how to Find Karl Pearson coefficient of correlation from the following data

Question : Find Karl Pearson coefficient of correlation from the following data Wages1001011021021009997989695Cost of living98999997959295949091 Solution : Let’ denote Wages by x and Cost of living by y. xyx-mean(x)y-mean(y)XYX^2Y^2100981331910199   2   4    8    4   1610299   3   4   12    9   1610297   3  …

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