# Question

Use the results from Problem 29 in Section 4.1 and Problem 21 in Section 4.2.

(a) What proportion of the variability in miles per gallon is explained by the relation between weight of the car and miles per gallon?

(b) Interpret the coefﬁcient of determination and comment on the adequacy of the linear model.

(a) What proportion of the variability in miles per gallon is explained by the relation between weight of the car and miles per gallon?

(b) Interpret the coefﬁcient of determination and comment on the adequacy of the linear model.

## Answer to relevant Questions

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