A regression equation is obtained for a collection of paired data. It is found that the total variation is 25.753, the explained variation is 18.658, and the unexplained variation is 7.095. Find the coefficient of determination.
A)0.724
B)1.380
C)0.380
D)0.276

Question

Quizplus · Accepted Answer

The coefficient of determination is calculated as the explained variation divided by the total variation, which is 18.658 / 25.753 = 0.724.

A Regression Equation Is Obtained for a Collection of Paired