Data regarding voter turnout in five cities was collected. You find the followin

Question

Data regarding voter turnout in five cities was collected. You find the following unstandardized multiple regression equation: Turnout = 70.25 + 2.09(unemployment) - .43 (negative advertising) How would you interpret the -.43 value? [Note that unemployment and negative advertising are in the equation as percentages...not proportions]
A.  A city with no negative advertising is expected to have a voter turn out of 43%. B. A .43 increase in negative advertising is expected to result in a 1% decrease in voter turn out. C. A one percent increase in negative advertising is expected to result in a .43% decrease in voter turn out, controlling for unemployment. D. A one percent increase in negative advertising is expected to result in a .43% increase in voter turn out. E. A one percent increase in negative advertising is expected to result in a .43% increase in voter turn out, controlling for unemployment. Data regarding voter turnout in five cities was collected. You find the following unstandardized multiple regression equation: Turnout = 70.25 + 2.09(unemployment) - .43 (negative advertising) How would you interpret the -.43 value? [Note that unemployment and negative advertising are in the equation as percentages...not proportions]
A.  A city with no negative advertising is expected to have a voter turn out of 43%. B. A .43 increase in negative advertising is expected to result in a 1% decrease in voter turn out. C. A one percent increase in negative advertising is expected to result in a .43% decrease in voter turn out, controlling for unemployment. D. A one percent increase in negative advertising is expected to result in a .43% increase in voter turn out. E. A one percent increase in negative advertising is expected to result in a .43% increase in voter turn out, controlling for unemployment. Data regarding voter turnout in five cities was collected. You find the following unstandardized multiple regression equation: Turnout = 70.25 + 2.09(unemployment) - .43 (negative advertising) How would you interpret the -.43 value? [Note that unemployment and negative advertising are in the equation as percentages...not proportions]
A.  A city with no negative advertising is expected to have a voter turn out of 43%. B. A .43 increase in negative advertising is expected to result in a 1% decrease in voter turn out. C. A one percent increase in negative advertising is expected to result in a .43% decrease in voter turn out, controlling for unemployment. D. A one percent increase in negative advertising is expected to result in a .43% increase in voter turn out. E. A one percent increase in negative advertising is expected to result in a .43% increase in voter turn out, controlling for unemployment.

Explanation / Answer

Data regarding voter turnout in five cities was collected. You find the following unstandardized multiple regression equation:

Turnout = 70.25 + 2.09(unemployment) - .43 (negative advertising)

How would you interpret the -.43 value?

Ans: Negative sign before the coefficient indicate that the dependence variable and the corresponding independent variable have inverse relation that if increase in negative advertising will decrease in Turnout. The correct answer from the list is

C. A one percent increase in negative advertising is expected to result in a .43% decrease in voter turn out, controlling for unemployment.

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