Exercise 15.32 (Categorical Independent Variables) 1.Answered Partially Correct 2.Not Answered Question Workspace Hint(s) Check My Work Consider a regression study involving a dependent variable , a quantitative independent variable , and a categorical independent variable with two levels (level 1 and level 2). a. Write a multiple regression equation relating and the categorical variable to . 1. 2. 3. 4. Option 4 Enter the values of dummy variable that are used to indicate the two levels of the qualitative variable. If your answer is zero, enter "0". Level 1 Level 2