College administrators at a small, private college noticed that students who had higher high school
GPAs tend to have higher college GPAs.

What are the explanatory variable and respons
variable for this
relationship?

Explanatory variable: size of college
Response variable: college GPA

Explanatory variable: high school GPA
Response variable: college GPA

Explanatory variable: college GPA
Response variable: high school GPA

Explanatory variable: type of college (
public)
Response variable: college GPA