Classified ads in a newspaper offered for sale several used cars of the same make and model. Listed below are the ages of the cars and the advertised prices. a) Make a scatterplot for these data. Age (yr) Prices Advertised ($) 10,995; 11,500 A. OB. 12,000 9,995; 10,000 12000- 12000- 9,500; 7,500 9000- 9000- 6,750; 8,995 6000- 6000- 6,995; 6,250 3000- 3000- 3,500; 2,995; 5,000 1,995; 1,750 3 6 9 12 3 6 9 12 750 O C. OD 12000- 12000- 9000- 9000- 6000- 6000- 3000- 3000-# 3 6 9 12 3 6 9 12 b) Do you think a linear model is appropriate? Explain. A. No, because the scatterplot of the residuals does not appear to be linear. O B. No, because the scatterplot does not appear to be linear. C. Yes, because the scatterplot appears to be linear. O D. Yes, because the scatterplot of the residuals appears to be linear. c) Find the equation of the regression line. y =[+x (Round to the nearest integer as needed.)