A research study found that the multiple correlation (R) of three variables (SAT, HS rank, and HS GPA) with freshman college GPA was .60.The researcher would report that
A) the average correlation of each of the variables with college GPA is .20.
B) 60 percent of the variance in college GPA can be explained by the combined variables.
C) 36 percent of the variance in college GPA can be explained by the three variables in combination.

Question

Quizplus · Accepted Answer

The multiple correlation coefficient (R) of .60 indicates that the three variables together explain 36% of the variance in college GPA, as R^2 = 0.60^2 = 0.36.

A Research Study Found That the Multiple Correlation (R) of Three