1.1 in the following example, identify the response variable and the explanatory variables
a. attitude toward gun control (favor, oppose). gender (female, male). Mother's education (high school, college).
b. heart disease (yes, no) blood pressure, Cholesterol level.
c. race (white, nonwhite), religion (catholic, jewish, protestant), vote for president (Democrat, Republican, Other) , Annual income.
1.2 which scale of measurement is most appropriate for the following variables nominal, or ordinal ?