PS Why does voter turnout vary from election to election? For municipal elections in five different cities, information has been gathered on the percentage of citizens who voted (the dependent variable)

and three different independent variables: unemployment rate, average years of education for the city, and the percentage of all political ads that used

“negative campaigning” (personal attacks, negative portrayals of the opponent’s record, etc.). For each relationship between turnout (Y) and the independent variables,

a. Compute the slope

(b) and find the Y intercept

(a). (HINT: Remember to compute b before computing

a. A computing table such as Table