Correlation is useful only for
A)assessing the weakness of a linear relationship.
B)conveying the same information in a simpler format than a scatterplot.
C)measuring the strength of a linear relationship.
D)measuring the strength of a nonlinear relationship.

Question

Quizplus · Accepted Answer

Correlation is primarily used for measuring the strength of a linear relationship between two variables. It does not measure the strength of nonlinear relationships, nor is it simply a simpler format of a scatterplot or specifically for assessing the weakness of a relationship.

Correlation Is Useful Only for