Polynomial regression is used when
A) the independent variables are non-linear.
B) there is a non-linear relationship between the dependent and independent variables.
C) there is a non-linear relationship between the independent variables.
D) there is a curvilinear change in the dependent variables.

Question

Quizplus · Accepted Answer

Polynomial regression is used when there is a non-linear relationship between the dependent and independent variables. This means that the relationship cannot be adequately modeled by a linear model and requires a higher order polynomial equation to capture the non-linear trend.

Polynomial Regression Is Used When