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Mathematics, 19.02.2020 03:37 AM28
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 .(1) One-sided, analyze a change in single population(2) Two sided, analyze a change in a single population(3) One-sided, compare two populations(4) Two-sided, compare two populations
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