A real estate agent is developing a regression model to predict the market value of single family residential houses as a function of heated area, number of bedrooms, number of bathrooms, age of the house, and central heating (yes, no).The "central heating" variable in this model is ___.
A)a response variable
B)a quantitative variable
C)a dependent variable
D)a qualitative variable
E)an independent variable

Question

Quizplus · Accepted Answer

The "central heating" variable is a binary variable indicating whether or not the house has central heating. As it is not being used as a predictor variable, but rather as a descriptor of the house, it is a qualitative variable, making choice D the correct answer.

A Real Estate Agent Is Developing a Regression Model to Predict