the following table lists democrats spending thousands of dollars by statewide office and the percentage of the popular vote they received in their districts Spending:11.5 | 51.1 | 17.9 | 4.9 | 12.9 |...

the following table lists democrats spending thousands of dollars by statewide office and the percentage of the popular vote they received in their districts

Spending:11.5 | 51.1 | 17.9 | 4.9 | 12.9 | 20.5 | 76.4

Percent:33.4 | 12.8 | 61.2 | 50.2 | 78.1 | 14.1 |49.9

does a sting linear correlation exist between democratic spending and a % of voters received, if so how and answer

a. Find a regression model ax+b for percentage of votes received as a function of democratic spending

b. If a democratic politician spent $60,000 on a campaign, what % of the vote should be expected to receive? Is it interpolation or extrapolation, why?
c. If a democrat received a quarter of the votes, what would you expect the democrat to have spent?