Question
Exhibit 1 Two major automobile manufacturers have produced compact cars with the same size engines. We are interested in determining whether or not there is
Exhibit 1
Two major automobile manufacturers have produced compact cars with the same size engines. We are interested in determining whether or not there is a significant difference in the MPG (miles per gallon) of the 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 show the results of the test.
Driver Manufacturer A Manufacturer B
1 32 28
2 27 22
3 26 27
4 26 24
5 25 24
6 29 25
7 31 28
8 25 27
at a=10 the null hypothesis
should not be rejected
should be rejected
should be revised
should not be tested
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