Refer to the gasoline mileage data in Exercise 11-7. (a) What proportion of total
Chapter 11, Problem 11-45(choose chapter or problem)
Refer to the gasoline mileage data in Exercise 11-7. (a) What proportion of total variability in highway gasoline mileage performance is accounted for by engine displacement? (b) Plot the residuals versus and x, and comment on the graphs. (c) Prepare a normal probability plot of the residuals. Does the normality assumption appear to be satisfied? 11-46. Consider the data in Exercise 11-8 on
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