Which statement below is correct?
A) A Pearson correlation coefficient is appropriate for describing a curved relationship that exists between two variables.
B) Correlation coefficients can be used to establish cause and effect relations.
C) both descriptive alternatives are correct
D) neither of the descriptive alternatives is correct.

Question

Quizplus · Accepted Answer

A Pearson correlation coefficient is used for linear relationships, not curved ones, and correlation coefficients, in general, cannot establish cause and effect, only the strength and direction of a linear relationship.

Which Statement Below Is Correct