Overall statistical significance of model

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A sample of twenty automobiles was taken, and the miles per gallon (MPG), horsepower and total weight were recorded. Develop a linear regression model to predict MPG using horsepower as the only independent variable.

MPG HORSEPOWER WEIGHT

44 67 1,844

44 50 1,998

40 62 1,752

37 69 1,980

37 66 1,797

34 63 2,199

35 90 2,404

32 99 2,611

30 63 3,236

28 91 2,606

26 94 2,580

26 88 2,507

25 124 2,922

22 97 2,434

20 114 3,248

21 102 2,812

18 114 3,382

18 142 3,197

16 153 4,380

16 139 4,036

State the linear equation,

Explain the overall statistical significance of the model,

Explain the statistical significance for each independent variable in the model

Interpret the Adjusted R2,

Is this a good predictive equation(s)? Which variables should be excluded (if any) and why? Explain.

Reference no: EM1395891

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