One use of a regression equation is to increase the accuracy of predicting Y scores.What determines the proportion of the variability in the Y scores that is predicted by the regression equation? A)r² B)1 - r² C)r D)1 - r

Question

Quizplus · Accepted Answer

The proportion of variability in the Y scores that is predicted by the regression equation is determined by r², which is the coefficient of determination. It represents the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

One Use of a Regression Equation Is to Increase the Accuracy