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QUESTION
a researcher wanted to determine if using an octane booster would impact gasoline mileage.
a researcher wanted to determine if using an octane booster would impact gasoline mileage. A random sample of seven cars was selected, the cars were driven for two weeks without the booster and two weeks with the booster. at an alpha of 0.10, was there a difference in mileage? below is the excel output for the data analysis of the experiment.
