In a good regression model the residual plot shows
A)a cone pattern.
B)an arched pattern.
C)a random pattern.
D)an increasing pattern.

Question

Quizplus · Accepted Answer

A residual plot with a random pattern indicates that the model is accurately capturing the relationship between the independent and dependent variables, and that the errors are randomly distributed around the zero line. This is the desired outcome for a good regression model. A cone pattern or an increasing/decreasing pattern would indicate heteroscedasticity (unequal variance) or a non-linear relationship, respectively, while an arched pattern would indicate that the model is missing important predictor variables.

In a Good Regression Model the Residual Plot Shows