If the coefficient of correlation is .7, the percentage of variation in the dependent variable explained by the variation in the independent variable is
A) 70%.
B) 49%.
C) 30%.
D) -51%.

Question

Quizplus · Accepted Answer

The percentage of variation in the dependent variable explained by the variation in the independent variable is found by squaring the coefficient of correlation (r^2). In this case, 0.7^2 = 0.49, which is 49%.

If the Coefficient of Correlation Is