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Statistics / Stats: Data and Models 4 / Chapter 4 / Problem 29E

Stats: Data and Models | 4th Edition | ISBN: 9780321986498 | Authors: Richard D. De Veaux, Paul F. Velleman, David E. Bock

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Fuel economy 2012 The Environmental Protection Agency

Chapter 4, Problem 29E

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QUESTION:

Problem 29E

Fuel economy 2012 The Environmental Protection Agency provides fuel economy and pollution information on over 2000 car models. Here are boxplots of Combined Fuel Economy (using an average of driving conditions) in miles per gallon by vehicle Type (midsize car, standard pickup truck, or SUV) for 2012 model vehicles. Summarize what you see about the fuel economies of the three vehicle types.

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QUESTION:

Problem 29E

Fuel economy 2012 The Environmental Protection Agency provides fuel economy and pollution information on over 2000 car models. Here are boxplots of Combined Fuel Economy (using an average of driving conditions) in miles per gallon by vehicle Type (midsize car, standard pickup truck, or SUV) for 2012 model vehicles. Summarize what you see about the fuel economies of the three vehicle types.

ANSWER:

The boxplots show that midsize cars tend to have the highest fuel economy, with an average of around 30 mpg. Sta

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