Which one of the following is a false statement

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Which one of the following is a false statement?

A. The signs of the regression coefficients are always the same

B. Correlation coefficient is the geometric mean of the two regression coefficients

C. The co-variance between two variables divided by the product of their standard deviations produces the value of coefficient of correlation

D. Coefficient of correlation is independent of origin but not of scale

Answer: Option D

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Assertion (A): If regression coefficient of X on Y is greater than one, regression coefficient of Y on X must be less than one.
Reason (R): The geometric mean between two regression coefficients is the coefficient of correlation.

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