How much variance has been explained by a correlation of .9?
A) 81%
B) 18%
C) 9%
D) None of the above

Name: How much variance has been explained by a correlation of .9? A) 81% B) 18% C) 9% D) None of the above
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Question

Quizplus · Accepted Answer

The correlation coefficient squared (r^2) gives the proportion of variance in one variable that can be explained by the other variable. So, for a correlation of .9, r^2 = .81, which means 81% of the variance has been explained.

How Much Variance Has Been Explained by a Correlation of .9