A car dealer wants to compare gas mileage between a Toyota Prius and Honda Hybri

Question

A car dealer wants to compare gas mileage between a Toyota Prius and Honda Hybrid automobile to determine if there is a statistically significant difference in gas consumption between the two automobiles. The following information was obtained: MPG(Average) Prius 55 Honda 49 Std Dev 3.6 mpg 2.5 mpg Cars Tested 60 25 What is the Null Hypothesis Tested? Is there a Statistically significant difference in gas mileage between the two automobiles? (at 95% level of confidence) In what MPG range might a Prius owner expect gas mileage to fall 95 percent of the time?

Explanation / Answer

A car dealer wants to compare gas mileage between a Toyota Prius and Honda Hybri

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