The coefficient of determination resulting from a particular regression analysis was 0.85.What was the correlation coefficient, assuming a positive linear relationship?
A)0.5
B)-0.5
C)0.922
D)There is insufficient information to answer the question.

Question

Quizplus · Accepted Answer

The coefficient of determination (R-squared) is the square of the correlation coefficient (r), so r = sqrt(0.85) = 0.922. Since the question assumes a positive linear relationship, we don't need to consider the negative value of r.

The Coefficient of Determination Resulting from a Particular Regression Analysis