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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Your organization has a goal of 15 days for the average processing of a purchase request (PR) from notification to final approval. They are only concerned if it takes longer than 15 days. A sample of 25 PRs produced a mean of 15.5 days and a standard deviation of 1.5 days. Test at the 10% level of significance whether they are meeting their goal. Select the correct answer out of each pair of choices. (Carry intermediate calculations to three decimal places.)
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| Â Â Â Â Â Â Â Â Â Â Â Â Â Â The tp is 1.711 |
| Â Â Â Â Â Â Â Â Â Â Â Â Â Â The tp is 1.318 |
| Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â The tc is 1.667 |
| Â Â Â Â Â Â Â Â Â Â Â Â Â Â The tc is 5.000 |
| Â Â Â Â Â Â Â Â Â Â Â Â Â Â We would reject the null hypothesis |
| Â Â Â Â Â Â Â Â Â Â Â Â Â Â We would fail to reject the null hypothesis |
| Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â We would conclude that the organization is meeting their goal. |
| Â Â Â Â Â Â Â Â Â Â Â Â Â Â We would conclude that the organization is not meeting their goal |
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