A correlation coefficient (r) represents
A) the amount of change that occurs in one variable associated with each unit change in the other variable.
B) the size and direction (positive or negative) of the relationship between the two variables.
C) the proportion of variance in one of the variables that can be accounted for by the other variable.
D) the difference in standard deviation units of the means of the two variables.

Question

Quizplus · Accepted Answer

The correlation coefficient (r) quantifies the degree to which two variables are related. It indicates both the strength and the direction (positive or negative) of the relationship.

A Correlation Coefficient (R) Represents