a ManTran Wheelbase RearStRm b ManTran Length Width c Cannot

a. ManTran, Wheelbase, RearStRm

b. ManTran, Length, Width

c. Cannot be ascertained from given information

d. NumCyl, HPMax, Length

Solution

The three best predictors would be the predictors with lowest p-value. Thus, the best predictors are

d. NumCyl, HPMax, Length