'_.__._..._. Question 1. Download the data and develop a multipleregression model for auto sales as a function of population and household income for 1D metropolitan areas. a. Estimate values for pg, of, and log for this model: AS = ht] + by {WC} + 112 {POP} b. Are the signs you nd for the coeicients consistent with your expectations? Explain. c. 1ll'tlhat percentage of 1variation in AS is explained by this model? {1. What point estimate otAS would you make for a city where \"it: =23,1T5 and PGP=123_