1.he R² of a simple regression of two factors, A and B, measures the:

A)   impact on B of a one-unit change in A.

B)   percent of variability of one factor explained by the variability of the second factor.

C)   standard error of the residual term in the regression equation.

D)   statistical significance of the coefficient in the regression equation.

The correct answer was D)

The coefficient of determination measures the percentage of variation in the dependent variable explained by the variation in the independent variable.