If a residual plot exhibits a curved pattern in the residuals, this means that:
A) the errors are not normally distributed.
B) there must be a curvilinear relation between x and y.
C) there is no significant relation between x and y.
D) there is a problem with constant variance.

Question

Quizplus · Accepted Answer

A curved pattern in the residuals of a plot suggests that the relationship between the independent variable (x) and the dependent variable (y) is not linear, indicating a curvilinear relationship. This means that a linear model may not be the best fit for the data.

If a Residual Plot Exhibits a Curved Pattern in the Residuals