Find Karl Pearson's correlation coefficient if N = 50, ∑X=75,∑Y=80 – InterviewSolution

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1.	Find Karl Pearson's correlation coefficient if N = 50, ∑X=75,∑Y=80,∑X2=130,∑Y2=140 and ∑XY=128.
Answer» Find Karl Pearson's correlation coefficient if N = 50, $\sum X = 75, \sum Y = 80, \sum X^{2} = 130, \sum Y^{2} = 140$ and $\sum X Y = 128$ .

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