With voter turnout during presidential elections around 50% a vital task for politicians is to try to predict who will actually vote. Develop a regression model to predict intention to vote (DEFINITE) using the following demographic independent variables:

Age (AGE)

Education (EDUC)

Income (INCOME)

a. Determine the regression equation

b. Test the model’s validity

c. Test to determine whether there is sufficient evidence to infer a linear relationship between the dependent variable and each independent variable