If the correlation between X and Y is -.72,approximately what percentage of the variance in Y can be explained by X?
A)28%
B)52%
C)72%
D)85%

Question

Quizplus · Accepted Answer

The coefficient of determination, which represents the proportion of variance in Y explained by X, is equal to the square of the correlation coefficient (-.72 squared), which is approximately 52%. Therefore, choice B is the best option.

If the Correlation Between X and Y Is -