Question: Random samples of 2009 pickup trucks with 4 cylinder 6 cylinder and
Random samples of 2009 pickup trucks with 4-cylinder, 6-cylinder, and 8-cylinder engines were obtained. Each pickup truck was tested for miles per gallon in city driving.
Is there significant evidence to reject the hypothesis that the mpg for pickup trucks is the same for all three engine sizes? Use a = 0.05.
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