Consumer Reports tested 19 different brands and models of road, fitness, and comfort bikes. Road bikes are designed for long road trips; fitness bikes are designed for regular workouts or daily commuters; and comfort bikes are designed for leisure rides on typically flat roads. The data file Bikes show the type, weight (lb.), and price ($) for the 20 bicycles tested. In Minitab, Develop an estimated regression equation that can be used to predict Price by using Type and Weight. At the 0.05 level of significance, test for autocorrelation in the data. Bikes: Brand and Model Type Weight Price Klein RÃªve v Road 20 1800 Giant OCR Composite 3 Road 22 1800 Giant OCR 1 Road 22 1000 Specialized Roubaix Road 21 1300 Trek Pilot 2.1 Road 21 1320 Cannondale Synapse 4 Road 21 1050 LeMond Poprad Road 22 1350 Raleigh Cadent 1.0 Road 24 650 Giant FCR3 Fitness 23 630 Schwinn Super Sport GS Fitness 23 700 Fuji Absolute 2.0 Fitness 24 700 Jamis Coda Comp Fitness 26 830 Cannondale Road Warrior 400 Fitness 25 700 Schwinn Sierra GS Comfort 31 340 Mongoose Switchback SX Comfort 32 280 Giant Sedona DX Comfort 32 360 Jamis Explorer 4.0 Comfort 35 600 Diamondback Wildwood Deluxe Comfort 34 350 Specialized Crossroads Sport Comfort 31 330 Jamis Coda Comp Comfort 33 500 Please paste the Minitab output.

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ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

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Consumer Reports tested 19 different brands and models of road, fitness, and comfort bikes. Road bikes are designed for long road trips; fitness bikes are designed for regular workouts or daily commuters; and comfort bikes are designed for leisure rides on typically flat roads. The data file Bikes show the type, weight (lb.), and price ($) for the 20 bicycles tested.
1. In Minitab, Develop an estimated regression equation that can be used to predict Price by using Type and Weight.
2. At the 0.05 level of significance, test for autocorrelation in the data.

Bikes:

Brand and Model	Type	Weight	Price
Klein RÃªve v	Road	20	1800
Giant OCR Composite 3	Road	22	1800
Giant OCR 1	Road	22	1000
Specialized Roubaix	Road	21	1300
Trek Pilot 2.1	Road	21	1320
Cannondale Synapse 4	Road	21	1050
LeMond Poprad	Road	22	1350
Raleigh Cadent 1.0	Road	24	650
Giant FCR3	Fitness	23	630
Schwinn Super Sport GS	Fitness	23	700
Fuji Absolute 2.0	Fitness	24	700
Jamis Coda Comp	Fitness	26	830
Cannondale Road Warrior 400	Fitness	25	700
Schwinn Sierra GS	Comfort	31	340
Mongoose Switchback SX	Comfort	32	280
Giant Sedona DX	Comfort	32	360
Jamis Explorer 4.0	Comfort	35	600
Diamondback Wildwood Deluxe	Comfort	34	350
Specialized Crossroads Sport	Comfort	31	330
Jamis Coda Comp	Comfort	33	500

Please paste the Minitab output.

Note: Entries in the table are the critical values for a one-tailed Durbin-Watson test for autocorrelation.
For a two-tailed test, the level of significance is doubled.
Significance Points of d, and du: a = .05
Number of Independent Variables
1
2
3
4
di
du
di
dy
di
du
di
du
di
dy
15
20
1.36
.82
.69
.90
1.08
.95
1.54
1.75
1.97
.56
2.21
1.68
1.66
1.20
1.41
1.10
1.54
1.00
1.83
.79
1.99
25
1.29
1.45
1.21
1.55
1.12
1.04
1.77
.95
1.89
30
1.35
1.49
1.28
1.57
1.21
1.65
1.14
1.74
1.07
1.83
1.44
1.50
40
1.54
1.39
1.60
1.66
1.29
1.34
1.42
1.72
1.23
1.79
50
1.59
1.46
1.63
1.67
1.38
1.72
1.34
1.77
70
1.58
1.64
1.55
1.67
1.52
1.70
1.49
1.74
1.46
1.77
100
1.65
1.69
1.63
1.72
1.61
1.74
1.59
1.76
1.57
1.78
*Interpolate linearly for intermediate n values.

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