In multiple regression analysis, a variable that cannot be measured in numerical terms is called a
A) nonmeasurable random variable.
B) constant variable.
C) dependent variable.
D) categorical independent variable.

Question

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In multiple regression analysis, a variable that cannot be measured in numerical terms but is instead divided into categories (such as gender, race, or yes/no responses) is known as a categorical independent variable. These variables are often encoded using dummy variables to be included in the regression model.

In Multiple Regression Analysis, a Variable That Cannot Be Measured