Ace Car Rental has three main models that are used in it midsize range of cars. - 6576

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Ace Car Rental has three main models that are used in it midsize range of cars. The cars are very similar and perform at about the same level. Since the customer has to pay for the gas use during the rental period, the manager is often asked about which car gets the best gas mileage. To be able to address this question, an analysis was done of the three makes of cars. Each car can use any one of four different grades of gasoline. The data collected was for each car for each type of fuel. Performance was measured in miles per gallon. Perform an ANOVA test and state the results. 

GasolineModel AModel BModel C

Regular21.422.320.8

Super Regular20.617.119.5

Unleaded21.319.220.2

Premium20.520.318.5

A.   F = 6.54, there is a significant difference between models. B.   F = 1.39, there is not a significant difference between models.

C.   F = 2.41, there is not a significant difference between models.

D.   F = 5.67, there is a significant difference between models. 

 
Solution Description

Ace Car Rental has three main models that are used in it midsize range of cars. The cars are very similar and perform at about the same level. Since the customer has to pay for the gas use during the rental period, the manager is often asked about which car gets the best gas mileage. To be able to address this question, an analysis was done of the three makes of cars. Each car can use any one of four different grades of gasoline. The data collec