The predictor variables are VKM.q (X1, the average daily distance driven, in km) and Age (X2, the age of the vehicle, in years); the response variable is CC.q (Y , the average daily fuel consumption, in L).

Type	Age	Rural	VKM.q	CC.q
PUPC	0	0	330	49
PUPC	1	0	264	33
PUPC	10	0	251	44
PUPC	1	1	235	22
PUPC	3	1	230	38
MVAN	5	1	230	31
VUS	9	0	215	28
VPAS	6	0	208	19
PUPC	3	0	203	31

33. (continuation of the previous question) Is the assumption of constant variance reasonable? Justify your answer. 34. (continuation of the previous question) Is the assumption of independence of the error terms reasonable? Justify your answer. 33. (continuation of the previous question) Is the assumption of constant variance reasonable? Justify your answer. 34. (continuation of the previous question) Is the assumption of independence of the error terms reasonable? Justify your