please see the table in the comment

(Question) In the table, WG (average miles per gallon), SP (top speed), HP (engine horsepower) and WT (vehicle weight) information are given for 40 cars. MPG; = 31 + $251).- + Bama- + [awn + a,- a) When the model is estimated by the least squares method with matrix representation; 32. =? O -1,777 O 0.612 O 3.458 O '2753 0 2,821 b) When the model is estimated by the least squares method with matrix representation; ; 3 =? O 3,458 0 753 0 71,777 0 2,321 L) 0,612 c) When the model is estimated by the least squares method with matrix representation: R2 =? 0 0,84 0 0,7' 0 0,94 0 0,68 0 0,89 d) When the model is estimated by the least squares method with matrix representation; 6 =? 0 6,785 0 1,487 0 17,680 0 12,348 0 4,205 6) When the model is estimated by least squares method with matrix representation; yap-$2) =? 0 105,987 0 0,528 0 1,144 O 2:159 0 3,458