3. (MMC 7.11) Although the Environmental Protection Agency (EPA) establishes the tests to determine the fuel economy of new cars, it often does not perform them. Instead, the test protocols arę given to the car companies, and the companies perform the tests themselves. To keep the industry honest, the EPA runs some audits each year. Recently, the EPA announced that Audi and Volkswagen must lower their fuel economy estimates for some models. Here are some city miles per gallon (mpg) values for one of the models the EPA investigated:

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