Car Age (years) Selling Price ($000) 123456789 9 8.1 7 6.0 11 3.6 12 4.0 8 5.0 7 10.0 8 7.6 11 8.0 10 8.0 10 12 6.0 11 6 8.6 12 6 8.0 Click here for the Excel Data File a. Determine the standard error of estimate. (Round your answer to 3 decimal places.) Standard error of estimate b. Determine the coefficient of determination. (Round your answer to 3 decimal places.) c. Interpret the coefficient of determination. (Round your answer to the nearest whole number.) percent of the variation in the selling price is explained by the variation in the age of the car.