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Mathematics, 27.09.2019 00:00 nommies005

An automotive manufacturer has developed a new type of tire that the research team believes to increase fuel efficiency. the manufacturer wants to test if there is an increase in the mean gas mileage of mid-sized sedans that use the new type of tire, compared to 32 miles per gallon, the historic mean gas mileage of mid-sized sedans not using the new tires. the automotive manufacturer should perform a hypothesis test to one-sided, analyze a change in a single population two-sided, analyze a change in a single population one-sided, compare two populations two-sided, compare two populations

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