Association between given variables shown in the scatterplot

Reference no: EM131401509

Gas mileage

As the example in the chapter indicates, one of the important factors determining a cars Fuel Efficiency is its Weight. Let's examine this relationship again, for 11 cars.

a) Describe the association between these variables shown in the scatterplot.

2332_Graph 8.jpg

b) Here is the regression analysis for the linear model. What does the slope of the line say about this relationship?

1932_Data 1.jpg

c) Do you think this linear model is appropriate? Use the residuals plot to explain your decision.

1058_Graph 9.jpg

Reference no: EM131401509

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