In residual analysis for multiple regression, if the assumptions about the error term are valid and the model is an adequate representation of the relationships between the variables, then the plot of the residuals versus the predicted y values
A)shows a horizontal band of points
B)has a funnel shape
C)has a curved shape
D)is upward sloping
E)none of the above

Question

Quizplus · Accepted Answer

A plot of the residuals versus the predicted y values should show a horizontal band of points if the assumptions about the error term are valid and the model is an adequate representation of the relationships between the variables. This indicates that the residuals have constant variance (homoscedasticity) and are randomly distributed around zero, with no systematic pattern.

In Residual Analysis for Multiple Regression, If the Assumptions About