Gas mileage. Table 11.2 (page 233) gives the highway gas mileages for model year 2008 sedans. (a)

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Gas mileage. Table 11.2 (page 233) gives the highway gas mileages for model year 2008 sedans.

(a) Make a stemplot of these data if you did not do so in Exercise 11.8.

(b) Find the five-number summary of gas mileages. Which cars are in the bottom quarter of gas mileages?

(c) The stemplot shows a fact about the overall shape of the distribution that the five-number summary cannot describe. What is it?

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Statistics Concepts And Controversies

ISBN: 9781429277761

7th Edition

Authors: David S Moore, William I Notz

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