Two-way anova without replication

Reference no: EM1314093

Martin Motors has in stock three cars of the same make and model. The president would like to compare the gas consumption of the three cars (labeled car A, car B, and car C) using four different types of gasoline. For each trial, a gallon of gasoline was added to an empty tank, and the car was driven until it ran out of gas. The following table shows the number of miles driven in each trial.

	Distance (miles)
Types of Gasoline	Car A	Car B	Car C
Regular	22.4	20.8	21.5
Super regular	17	19.4	20.7
Unleaded	19.2	20.2	21.2
Premium unleaded	20.3	18.6	20.4

Using the .05 level of significance:

a) Is there a difference among types of gasoline?

b) Is there a difference in the cars?

Reference no: EM1314093

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