The table shows the gas mileages (in miles per gallon) of eight cars with and without using
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The table shows the gas mileages (in miles per gallon) of eight cars with and without using a fuel additive. At \(\alpha=0.10\), is there enough evidence to conclude that the additive improved gas mileage? Assume the populations are normally distributed.
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9781292260464
7th Global Edition
Authors: Betsy Farber, Ron Larson
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