Mathematics, 02.03.2020 23:32 jayzeptor
In a test of the effectiveness of a device that is supposed to increase gasoline mileage in automobiles, 12 cars were run over a prescribed course both with and without the device. The mileages are given below. Conduct hypothesis test at ?=.05.Car Without Device With Device1 21 20.62 30 29.93 29.8 30.74 27.3 26.55 27.7 26.76 33.1 32.87 18.8 21.78 26.2 28.29 28 28.910 18.9 19.911 29.3 32.412 21 22
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In a test of the effectiveness of a device that is supposed to increase gasoline mileage in automobi...
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