Mathematics, 06.09.2020 02:01 smack2045
The Department of Energy website contains data on 1209 model year 2016 cars and SUVs. Included in the data are the engine size, as measured by engine displacement in liters, and combined city and highway gas mileage, in miles per gallon. Examining the data, one finds that cars with bigger engines tend to have lower gas mileages. In a scatterplot of the engine size and the gas mileage, you expect to see:
a. very little association.
b. a negative association.
c. a positive association for small engine sizes, and a negative association for large engine sizes.
d. a positive association.
Answers: 3
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The Department of Energy website contains data on 1209 model year 2016 cars and SUVs. Included in th...
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