If it is desired to include marital status in a multiple regression model by using the categories single,married,separated,divorced,widowed,what will be the effect on the model?
A)One more independent variable will be included.
B)Two more independent variables will be included.
C)Three more independent variables will be included.
D)Four more independent variables will be includeD.
E)Five more independent variables will be included.

Question

Quizplus · Accepted Answer

In a multiple regression model, categorical variables like marital status are included using dummy variables. With five categories, four dummy variables are needed to represent them, as one category serves as the reference group.

If It Is Desired to Include Marital Status in a Multiple