A single variable X can explain a large percentage of the variation in some other variable Y when the two variables are:
A) mutually exclusive
B) inversely related
C) directly related
D) highly correlated
E) None of the above

Question

Quizplus · Accepted Answer

When two variables are highly correlated, it means that changes in one variable are associated with changes in the other variable. Therefore, if there is a high correlation between X and Y, it means that X can explain a large percentage of the variation in Y.

A Single Variable X Can Explain a Large Percentage of the Variation