Describing difference betwent kinds of gasoline

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Reference no: EM1311545

Q1) Martin Motors has in stock three cars of same make and model. President would like to compare gas consumption of 3 cars (labeled car A, car B, and car C) using 4 different kinds of gasoline. For each trial, gallon of gasoline was added to the empty tank, and car was driven until it ran out of gas. Following table illustrates the number of miles driven in each trial.

Types of Gasoline	Distance (miles)
Types of Gasoline	Car A	Car B	Car C
Regular	22.4	20.8	21.5
Super regular	17.0	19.4	20.7
Unleaded	19.2	20.2	21.2
Premium unleaded	20.3	18.6	20.4

Using.05 level of significance:

a) Is there difference among kinds of gasoline?

b) Is there difference in the cars?

Reference no: EM1311545

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