question content area top part 1 the accompanying table shows results from regressions performed on data from a random sample of cars. the response​ (y) variable is city​ (fuel consumption in​ mi/gal). the predictor​ (x) variables are wt​ (weight in​ pounds), disp​ (engine displacement in​ liters), and hwy​ (highway fuel consumption in​ mi/gal). which regression equation is best for predicting city fuel​ consumption? why?