In order for a Pearson's r to reflect a meaningful relationship, which of the following must be true?
A)the relationship must be nonlinear
B)the variables must be measured on at least an ordinal scale
C)the range of scores must be restricted on at least one of the variables
D)the variables must be measured on either an interval or a ratio scale

Question

Quizplus · Accepted Answer

Pearson's r requires that the variables be measured on an interval or ratio scale to accurately reflect the linear relationship between them.

In Order for a Pearson's R to Reflect a Meaningful