A regression equation is obtained for a collection of paired data. It is found that the total variation is 20.711, the explained variation is 18.592, and the unexplained variation is 2.119. Find the coefficient of determination.
A) 1.114
B) 0.114
C) 0.898
D) 0.102

Question

Quizplus · Accepted Answer

The coefficient of determination is the ratio of explained variation to total variation. Therefore, coefficient of determination = explained variation / total variation = 18.592 / 20.711 = 0.898.

A Regression Equation Is Obtained for a Collection of Paired