The environmental protection agency

Assignment Help Applied Statistics

Reference no: EM13862229

Description:

1. Suppose the Environmental Protection Agency (EPA) would like to investigate the impact that octane has on gas mileage. The following table shows the gas mileage for six cars that were driven 1,000 miles with three different grades of gasoline: 87, 89, and 93 octane. The gas mileage was recorded for each octane level. Each car was tested with all three gasoline grades. The results are shown in the following table.

Car	87 Octane	89 Octane	93 Octane
Maxima	22.6	23.3	23.0
Focus	28.0	31.0	30.1
Accord	21.5	23.0	22.5
Sonata	27.5	29.1	28.5
Camry	24.1	27.7	26.0
Jetta	30.0	32.0	30.7

a. Identify the factor.

b. List the levels of the factor.

c. List the blocks.

d. Identify the response variable.

e. Check the assumptions and explain your findings.

f. Identify the set of null and alternative hypotheses to be examined.

g. Using a level of significance of 5%, does the octane level appear to have an effect on the gas mileage?

Attachment:- Minitab Tutorial for ANOVA.pdf

Reference no: EM13862229

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