Political Analysts Believe That Voters Level of Education Has a Significant

Multiple Choice

Political analysts believe that voters level of education has a significant impact on the approval ratings given to a particular politician. The hypothesis was tested using regression analysis. If the variable education had seven categories, how many dummy variables are necessary to include this variable in a regression equation?

A) 1
B) 7
C) 6
D) 8
E) none of the above