Emily Smith decides to buy a fuel-efficient used car. Here are several vehicles she is considering, with the estimated cost to purchase and the age of the vehicle. Vehicle Honda Insight Toyota Prius Toyota Prius Toyota toho Honda Civic Hybrid Honda Civic lybrid Chevrolet Prim Mazda Protege Toyota Corolla Acura Integra Solon xh Salon and Mini Cooper Estimated cost Age $ 5,555 $17,888 $9.963 6 $ 6,793 5 $10,774 5 $16,310 $ 2,475 $ 2,808 7,073 $8.978 $11,210 59.463 515.055 520,705 Click here for the Excel Data File b. Find the correlation coefficient. (Negative value should be indicated by a minus sign. Round your answer to 3 decimal places.) d. Estimate the cost of a five-year-old car. (Round your answer to the nearest whole dollar amount.) look Five-your-old Print e. Here is a portion of the regression software output. What does it tell you Predictor Constant Population Cout 18358 5 Coot 1817 306 10.10 25.01 0.000 0.000