If a pair of variables have a curvilinear relationship, which of the following is true?
A) The correlation coefficient will not be able to indicate the relationship is curved.
B) The correlation coefficient will be zero.
C) The correlation coefficient will indicate that the relationship is curved.
D) The scatter plot will not be able to indicate the relationship is curved.
E) Outliers cause the curve.

Question

Quizplus · Accepted Answer

The correlation coefficient measures the strength and direction of a linear relationship between two variables. It does not capture curvilinear relationships, so it will not indicate that the relationship is curved.

If a Pair of Variables Have a Curvilinear Relationship, Which