If the coefficient of determination is equal to 1, then the coefficient of correlation
A)must also be equal to 1
B)can be either -1 or +1
C)can be any value between -1 to +1
D)must be -1

Question

Quizplus · Accepted Answer

The coefficient of determination (R²) being 1 indicates a perfect linear relationship, meaning the correlation coefficient (r) must be either -1 or +1, representing a perfect negative or positive linear relationship, respectively.

If the Coefficient of Determination Is Equal to 1, Then