horsepower weight year CV AIC AICc BIC AdjR2 reg0 61.40 1636.60 1636.63 1644.56 0.0000 regh X 50.59 1560.40 1560.46 1572.35 0.1767 regw X 19.00 1171.34 1171.40 1183.29 0.6910 regy X 40.84 1474.77 1474.83 1486.72 0.3364 reghw X X 19.05 1172.54 1172.64 1188.47 0.6908 reghy X X 33.35 1394.70 1394.80 1410.63 0.4590 regwy X X 11.86 983.89 984.00 999.83 0.8078 regfull X X X 11.85 983.55 983.71 1003.47 0.8084 (a) (10 points) Conduct best subset selection on the above prediction problem using CV, AIC, BIC and Adjusted R2. Make sure to discuss the following: (i) how many models you would consider in this case, (ii) why you would end up with this number of models