2. Prediction interval for Y:yiy^i _______

Obs	Vehicle	CityMPG	Length	Width	Weight	ManTran
1	Acura TL	20	109.3	74.0	3968	0
2	Audi A5	22	108.3	73.0	3583	1
3	BMW 4 Series 428i	22	182.6	71.9	3470	0
4	BMW X1 sDrive28i	23	176.5	70.8	3527	0
5	Buice LaCrosse	18	196.9	73.1	3990	0
6	Buick Enclave	17	201.9	79.0	4724	0
7	Buick Regal	21	190.2	73.1	3692	0
8	Cadillac ATS	22	182.8	71.1	3315	0
9	Cadillac CTS	20	195.5	72.2	3616	0
10	Cadillac Escalade	14	202.5	79.0	5527	0
11	Chevrolet Camaro 1SS	16	190.6	75.5	3719	1
12	Chevrolet Cruze LS	26	181.0	70.7	3097	0
13	Chevrolet Impala LTZ	19	201.3	73.0	3800	0
14	Chevrolet Malibu 2LT	25	191.5	73.0	3532	0
15	Chevrolet Spark LS	31	144.7	61.0	2269	1
16	Chevrolet Suburban LTZ	15	224.0	80.5	5674	0
17	Chrysler 200 Touring LX	20	191.7	72.5	3402	0
18	Chrysler 300 S	19	198.6	75.0	4029	0
19	Dodge Charger SXT	19	199.9	75.0	3996	0
20	Dodge Dart Limited	23	183.9	72.0	3242	0
21	Fiat 500 Sport	31	139.6	64.1	2434	1
22	Ford Fiesta S	29	159.7	67.8	2575	0
23	Ford Focus SE	27	178.5	71.8	2960	1
24	Ford Mustang GT	15	188.5	73.9	3618	1
25	Ford Taurus	19	202.9	76.2	4054	0
26	Honda Accord LX	24	191.4	72.8	3192	1
27	Honda CRV LX	23	178.3	71.6	3305	0
28	Hyundai Azera Limited	19	193.3	73.2	3605	0
29	Hyundai Genesis 5.0	15	196.5	74.4	4240	0
30	Hyundai Santa Fe GLS	18	193.1	74.2	3933	0
31	Infiniti Q60	19	183.1	71.8	3633	0
32	Infiniti QX50	17	182.3	71.0	3790	0
33	Jaguar F-Type	20	176.0	75.7	3477	0
34	Jeep Compass Limited	21	175.1	71.4	3258	0
35	Jeep Grand Cherokee Limited	17	189.8	76.5	4685	0
36	Kia Forte LX	25	179.5	70.1	2776	0
37	Kia Soul	24	163.0	70.9	2615	1
38	Kia Sportage LX	21	174.8	73.0	3186	0
39	Land Rover Range Rover Sport	13	196.8	81.6	5137	0
40	Lexus IS 250	21	183.7	71.3	3461	0
41	Lexus LS 460	16	200.0	73.8	4233	0
42	Lexus RX 350	18	187.8	74.2	4178	0
43	Lincoln MKT	17	207.6	76.0	4702	0
44	Lincoln MKZ	22	194.1	73.4	3713	0
45	Lincoln Navigator	14	208.4	78.8	5794	0
46	Mazda 2	28	155.5	66.7	2306	1
47	Mazda CX-5 Sport	26	179.3	72.4	3194	0
48	Mercedes-Benz C-250	22	180.8	69.7	3428	0
49	Mercedes-Benz CL600	12	200.6	84.2	4894	0
50	Mercedes-Benz ML350	17	189.1	84.3	4751	0
51	Mini-Cooper	29	146.6	66.3	2605	1
52	Mitsubishi Outlander Sport SE	25	183.3	70.9	3296	0
53	Nissan Armada SV	13	207.7	79.3	5267	0
54	Nissan Cube S	25	156.7	66.7	2789	1
55	Nissan Maxima SV	19	190.6	73.2	3570	0
56	Nissan Murano SV	18	189.9	74.1	4011	0
57	Nissan Versa S	27	175.4	66.7	2363	1
58	Porsche Cayenne	15	190.8	76.3	4398	1
59	Scion FR-S	25	166.7	69.9	2806	0
60	Scion iQ	36	120.1	66.1	2127	0
61	Scion XD	27	154.7	67.9	2665	0
62	Suburu Forester 2.5i Limited	24	180.9	70.7	3419	0
63	Suburu Legacy 2.5i Limited	24	187.2	71.7	3427	0
64	Toyota Camry XLE	25	189.2	71.7	3280	0
65	Toyota Land Cruiser	13	194.9	77.6	5765	0
66	Toyota RAV4 XLE	24	179.9	72.6	3465	0
67	Toyota Yaris	30	153.5	66.7	2295	1
68	Volkswagen Beetle 2.5L	22	168.4	71.2	3038	0
69	Volkswagen Jetta SE	25	182.2	70.0	3070	0
70	Volkswagen Toureg V6 Sport	17	188.8	76.4	4711	0
71	Volkswagen Passat SE	24	191.6	72.2	3230	0
72	Volvo S60 T5	21	182.2	73.4	3528	0
73	Volvo XC90	16	189.3	76.2	4667	0