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Calculate the correlation co-efficient for the following heights (in inches) of fathers(X) and their sons(Y).

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Calculate the correlation co-efficient for the following heights (in inches) of fathers(X) and their sons(Y).

X 65 66 67 67 68 69 70 72
Y 67 68 65 68 72 72 69 71

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Since r(x, y) = 0.603, the variables X and Y are positively correlated. i.e. heights of fathers and their respective sons are said to be positively correlated.

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