Do you think given linear model is appropriate

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Reference no: EM131401553

Cars, one more time! Can we predict the Horsepower of the engine that manufacturers will put in a car by knowing the Weight of the car? Here are the regression analysis and residuals plot:

447_Graph 06.jpg

a) Write the equation of the regression line.

b) Do you think the car's Weight is measured in pounds or thousands of pounds? Explain.

c) Do you think this linear model is appropriate? Explain.

d) The highest point in the residuals plot, representing a residual of 22.5 horsepower, is for a Chevy weighing 2595 pounds. How much horsepower does this car have?

Reference no: EM131401553

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