Pearson r is _______.
A) a measure of the extent to which paired scores occupy the same or opposite positions within their own distributions.
B) the square root of the proportion of the variability of Y that is accounted for by X .
C) used when both variables are of interval or ratio scaling.
D) All of these are true.

Question

Quizplus · Accepted Answer

Pearson r is a measure of the extent to which paired scores occupy the same or opposite positions within their own distributions. It is also the square root of the proportion of the variability of Y that is accounted for by X, and it is used when both variables are of interval or ratio scaling. Therefore, all of these statements are true.

Pearson R Is _______