The numerical value of the coefficient of correlation must be _______.
A)between -1 and +1
B)between -1 and 0
C)between 0 and 1
D)equal to SSE/(n-2)
E)between 0 and -1

Question

Quizplus · Accepted Answer

The coefficient of correlation, which measures the strength and direction of a linear relationship between two variables, always ranges between -1 and +1. A value of -1 indicates a perfect negative linear relationship, +1 indicates a perfect positive linear relationship, and 0 indicates no linear relationship.

The Numerical Value of the Coefficient of Correlation Must Be