To find the percent of variance in one measure accounted for by knowing another measure you should square the
A)mean.
B)z-score.
C)Pearson r.
D)standard deviation.

Question

Quizplus · Accepted Answer

The Pearson r (correlation coefficient) measures the strength and direction of the linear relationship between two variables. The square of the correlation coefficient (r-squared) indicates the proportion of variance in one variable that can be explained by knowing the other variable. Therefore, option C is the best choice.

To Find the Percent of Variance in One Measure Accounted