In calculating the regression equation linking two variables the standard formulae...

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In calculating the regression equation linking two variables, the standard formulae for the regression coefficients are given in terms of X and Y. Which of the following is true?

A. X must be the variable which will be forecast

B. It does not matter which variable is which

C. Y must be the dependent variable

D. Y must be the variable shown on the vertical axis of a scatter graph

Answer: Option C

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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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