In multiple regression, a dummy variable can be included in a multiple regression model as
A) An additional quantitative variable
B) A nominal variable with three or more values
C) A nominal variable with only two values
D) A new regression coefficient

Question

Quizplus · Accepted Answer

A dummy variable is used to represent a nominal variable with only two values, typically coded as 0 and 1, in a regression model.

In Multiple Regression, a Dummy Variable Can Be Included in a Multiple