Why does voter turnout vary from election to election? For municipal elections i

Question

Why does voter turnout vary from election to election? For municipal elections in five different cities, information has been gathered on the percentage of registered voters who actually voted, 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.). You focus on negative campaigning as a predictor of voter turnout, finding the following regression equation: Y = 114.01 - .9X. Select the most appropriate interpretation. a. Cities with no negative campaigning are expected to have a voter turn out of .90%. b. A one percent increase in negative ad campaigns for a city is expected to result in a .90% increase in voter turn out. c. A one percent increase in negative ad campaigns for a city is expected to result in a .90% decrease in voter turn out. d. A .90% percent increase in negative ad campaigns for a city is expected to result in a 1% increase in voter turn out. e. A .90% percent increase in negative ad campaigns for a city is expected to result in a 1% decrease in voter turn out.

Explanation / Answer

Since the coefficient of x is negative, this means that a a one percent increase in the y will result in 90% decrease in x. Thus answer B is correct

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