If the coefficient of correlation is a negative value, then the coefficient of determination _____.
A) must also be negative
B) must be 0
C) can be either negative or positive
D) must be positive

Question

Quizplus · Accepted Answer

The coefficient of determination (r-squared) is the square of the coefficient of correlation (r). As a result, it is always positive or 0, regardless of whether the coefficient of correlation is positive or negative. Therefore, if the coefficient of correlation is negative, the coefficient of determination must be positive.

If the Coefficient of Correlation Is a Negative Value, Then