In multiple regression analysis,residual analysis is used to test the requirement that
A)the variation in the residuals is the same for all fitted values of
B)the independent variables are the direct cause of the dependent variable
C)the number of independent variables included in the analysis is correct
D)prediction error is minimized

Question

In multiple regression analysis,residual analysis is used to test the requirement that
A)the variation in the residuals is the same for all fitted values of 
B)the independent variables are the direct cause of the dependent variable 
C)the number of independent variables included in the analysis is correct 
D)prediction error is minimized

Quizplus · Accepted Answer

Residual analysis is used to check whether the assumptions of linear regression hold true, and one of the assumptions is homoscedasticity, which means that the variation in the residuals is the same for all fitted values. Therefore, the correct choice is A. The other options are not related to residual analysis.

In Multiple Regression Analysis,residual Analysis Is Used to Test the Requirement