Classified ads at a certain website offered several used cars ofa certain make and model. The accompanying table lists the ages ofthe cars and the advertised prices. Complete parts​ a) through​ g)below.
Age (years)Â Â Price (dollars)
1Â Â 16,000
2Â Â 14,800
3Â Â 14,800
3Â Â 14,900
3Â Â 12,900
3Â Â 13,000
4Â Â 16,200
4Â Â 12,900
4Â Â 12,300
4Â Â 10,500
4Â Â 8,000
5Â Â 14,500
5Â Â 12,300
5Â Â 11,100
5Â Â 10,000
6Â Â 11,800
6Â Â 11,000
6Â Â 10,800
6Â Â 9,800
6Â Â 8,500
7Â Â 10,200
7Â Â 9,700
7Â Â 9,000
7Â Â 7,500
7Â Â 6,000
​a) Find the equation of the regression line.
Price = _ + ( _ ) Age
​(Round to two decimal places as​ needed.)
​c) Explain the meaning of the​ y-intercept of the line. Selectthe correct choice below​ and, if​ necessary, fill-in the answerbox to complete your choice.
​(Round to two decimal places as​ needed.)
The model predicts that the advertised price of a brand new carof this make and model is _ dollars.
d) If you want to sell a six​-year-old car of this make and​model, what price seems​ appropriate?
_ dollars
​(Round to the nearest dollar as​ needed.)
