Data Retrieval
February 11, 2021
Let’s start off by defining . So specific heat is the amount of heat required to raise the temperatu
February 11, 2021

The manufacturer of a gasoline additive claims that the use of this additive increases… 1 answer below »

The manufacturer of a gasoline additive claims that the use of this additive increases gasolinemileage. A random sample of 6 cars was selected, and these cars were driven for oneweek without the gasoline additive and then for one week with the additive. Thefollowing table gives the mileage (in miles per gallon) for these cars with and without theadditive:Car 12 3 4 5 6Mileage Without Additive 24.6 28.3 18.9 23.7 15.4 29.5Mileage With Additive 26.3 31.7 18.2 25.3 18.3 30.9Asuming mileages are normally distributed, can you conclude that the use of the gasolineadditive increases mileage at the 2.5% significance level?

 

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