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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Ashurbanipal Ashurbanipal
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A year ago

Exhibit 10-9
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


Refer to Exhibit 10-9. The mean for the differences is



▸

0.50



▸

1.5



▸

2.0



▸

2.5

Textbook 
Essentials of Statistics for Business and Economics

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
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jarste123jarste123
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A year ago
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Ashurbanipal Author
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A year ago
Good timing, thanks!
vernonb
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Yesterday
Thanks for your help!!
kobbhy
wrote...

2 hours ago
Helped a lot
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