Two Major Automobile Manufacturers Have Produced Compact Cars with Engines

question 83

Multiple Choice

Two major automobile manufacturers have produced compact cars with engines of the same size.We are interested in determining whether or not there is a significant difference in the mean MPG (miles per gallon) when testing for the fuel efficiency of these two brands of automobiles.A random sample of eight cars from each manufacturer is selected, and eight drivers are selected to drive each automobile for a specified distance.The following data (in miles per gallon) show the results of the test.Assume the population of differences is normally distributed. ​ At α = .10, the null hypothesis

• A) should not be rejected.
• B) should be rejected.
• C) should be revised.
• D) should not be tested.

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Open Positions

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