Suppose you are interested in using regression analysis to estimate the number of crimes on campus using the following independent variables: the school has a graduate program, there is a Greek system, the school is ranked in the top25

25, students are required to live on campus, size of campus (square meters), and campus enrollment. Which of the following independent variables are indicator (dummy) variables? Select all that apply.

1)the school has a graduate program

2)there is a Greek system

3)the school is ranked in the top 25

4)students are required to live on campus

5)size of campus (square meters)

6)campus enrollment

7)None of these