Mathematics, 02.12.2019 23:20

# Use the car data. run a multiple regression analysis to predict mpg using independent variables weight, drive_ratio, horsepower.

mpg weight drive_ratio horsepower

16.9 4.36 2.73 155

15.5 4.054 2.26 142

19.2 3.605 2.56 125

18.5 3.94 2.45 150

30 2.155 3.7 68

27.5 2.56 3.05 95

27.2 2.3 3.54 97

30.9 2.23 3.37 75

20.3 2.83 3.9 103

17 3.14 3.5 125

21.6 2.795 3.77 115

16.2 3.41 3.58 133

20.6 3.38 2.73 105

20.8 3.07 3.08 85

18.6 3.62 2.71 110

18.1 3.41 2.73 120

17 3.84 2.41 130

17.6 3.725 2.26 129

16.5 3.955 2.26 138

18.2 3.83 2.45 135

26.5 2.585 3.08 88

21.9 2.91 3.08 109

34.1 1.975 3.73 65

35.1 1.915 2.97 80

27.4 2.67 3.08 80

31.5 1.99 3.78 71

29.5 2.135 3.05 68

28.4 2.67 2.53 90

28.8 2.595 2.69 115

26.8 2.7 2.84 115

33.5 2.556 2.69 90

34.2 2.2 3.37 70

31.8 2.02 3.7 65

37.3 2.13 3.1 69

30.5 2.19 3.7 78

22 2.815 3.7 97

21.5 2.6 3.64 110

31.9 1.925 3.78 71

a. find the p-value of the overall model. ( input a decimal value; input 0 or 0.0001 if it is smaller than 0.0001 )

b. find the p-value for variable horsepower.

Answers: 2

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Use the car data. run a multiple regression analysis to predict mpg using independent variables weig...

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