A mechanic is determining the weight of a car affecting gas mileage. He measures and records 10

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A mechanic is determining the weight of a car affecting gas mileage. He measures and records 10 various cars’ weight (in pounds) and their miles per gallon (MPG) in the following table:

Weight MPG 3,565 20 3,985 18 3,180 19 3,340 21 3,100 21 3,175 22 2,580 27 3,175 22 2,655 26 3,300 20

a. Construct a scatter diagram for the data set.

b. Determine the relationship between the car weight and its miles per gallon (MPG). Explain the reasons for your answer.

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Business Statistics

ISBN: 9781292220383

10th Global Edition

Authors: David Groebner, Patrick Shannon, Phillip Fry

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