For the following pairs of variables, which more naturally is the response variable and which is the explanatory variable? a. College grade point average (GPA) and High school GPA b. Gender and Education level c. Month and Hours of daylight a. Choose the correct answer below. A. High school GPA is the response variable because it defines the groups to be compared with respect to values of College GPA. the explanatory variable. B. High school GPA is the response variable because it is the outcome variable on which comparisons are made and College GPA is the explanatory variable. C. College GPA is the response variable because it is the outcome variable on which comparisons are made and High school GPA is the explanatory variable. D. College GPA is the response variable because it defines the groups to be compared with respect to values of High school GPA. the explanatory variable.