In multiple regression analysis,a desirable residual plot has what type of appearance?
A)Curved
B)Cyclical
C)Fanning out
D)Funnelling in
E)Horizontal band

Question

Quizplus · Accepted Answer

A desirable residual plot should have a horizontal band shape, where the residuals have no clear pattern and are randomly scattered around 0. A curved or cyclical plot suggests that the relationship between the predictors and the outcome is not linear, and a fan or funnel shape suggests heteroscedasticity, meaning that the variance of the errors is not constant across the range of the predictors.

In Multiple Regression Analysis,a Desirable Residual Plot Has What Type