The data contains the price of new and used Taurus sedans. All prices for used cars are from 1995. For example, a new Taurus bought in 1985 cost $11,790 and the wholesale used price of that car in 1995 was $1,700. A new Taurus bought in 1994 cost $18,680 and it could have been sold as used in 1995 for $12,600.
a. Use a visual check to see if there is any relationship between vehicle age and resale values.
b. You want to predict the resale value (as a percentage of the original price of the vehicle) as a function of the vehicle's age. Find an equation to do this. (You should try at least two equations and choose the one with the best fit). Interpret the results.