In using the multiple regression method, we can model the effects of the different levels of a qualitative independent variable by using a(n) ________.
A) interaction variable
B) cross-product term
C) quadratic term
D) dummy (indicator) variable
E) variance equalizing transformation

Question

Quizplus · Accepted Answer

Use a dummy (indicator) variable for different levels of a qualitative independent variable in multiple regression.

In Using the Multiple Regression Method, We Can Model the Effects