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Unformatted text preview: Project 14 ______________/20 Chapter 14 READ EVERYTHING CAREFULLY : Show all your work. Indicate clearly the methods you use, because you will be graded on the correctness of your methods as well as on the accuracy of your results and explanation. Use complete sentences when appropriate; u se complete mathematical sentences when appropriate; when necessary show your verification of the assumptions. Failure to do so may result in a lower score. If you present parallel solutions, I will grade the lesser of the two An individual claims that the fuel consumption of his automobile does not depend on how fast the car is driven. To test the plausibility of this hypothesis, the car was tested at various speeds between 45 and 70 miles per hour. The miles per gallon attained at each of these speeds was determined, with the following data resulting: Speed MPG 45 24.2 50 25.0 55 23.3 60 22.0 65 21.5 70 20.6 75 19.8 Do these data refute the claim that the mileage per gallon of gas is unaffected by the speed at which the car is being...
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