If the null and alternative hypotheses can be used to decide whether the new filtration system could be superior. Calculate the standardized test statistic.
If the null and alternative hypotheses can be used to decide whether the new filtration system could be superior. Calculate the standardized test statistic.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 6E: List the sample space of each experiment. Tossing three coins
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A trucking firm is considering the installation of a new, low-restriction engine air filter for its long-haul trucks, but doesn’t want to make the switch unless the new filter can be shown to improve the fuel economy of these vehicles. A test is set up in which each of 10 trucks makes the same run twice once with the old filtration system and once with the new version. Given the sample results shown below:
Truck Number |
Current Filter (mpg) |
New Filter (mpg) |
1 |
7.6 |
7.3 |
2 |
4.1 |
7.2 |
3 |
10.4 |
6.8 |
4 |
6.9 |
10.6 |
5 |
5.6 |
8.8 |
6 |
7.9 |
8.7 |
7 |
5.4 |
5.7 |
8 |
5.7 |
8.7 |
9 |
5.5 |
8.9 |
10 |
5.3 |
7.1 |
If the null and alternative hypotheses can be used to decide whether the new filtration system could be superior. Calculate the standardized test statistic.
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