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Author Question: Exhibit 10-9Two major automobile manufacturers have produced compact cars with the same size ... (Read 51 times)

gjjjjjdkkkkk3k3k33k

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on: Mar 25, 2023

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. At 90% confidence the null hypothesis


◦

should not be rejected


◦

should be rejected


◦

should be revised


◦

None of these alternatives is correct.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by gjjjjjdkkkkk3k3k33k on Mar 25, 2023

Jaclyn92G6

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Reply #1 on: Mar 25, 2023
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gjjjjjdkkkkk3k3k33k

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Reply 2 on: Mar 25, 2023
Thanks for the timely response, appreciate it

diana chang

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Reply 3 on: Yesterday
Wow, this really help

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