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Your organization has a goal of 14 days for the average processing of a purchase request (PR) from notification to final approval. They are only concerned if it takes longer than 14 days. A sample of...

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Your organization has a goal of 14 days for the average processing of a purchase request (PR) from notification to final approval. They are only concerned if it takes longer than 14 days. A sample of 25 PRs produced a mean of 15.5 days and a standard deviation of 1.5 days. Test at the 5% 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.)
Answered Same Day Dec 21, 2021

Solution

Robert answered on Dec 21 2021
126 Votes
Your organization has a goal of 14 days for the average processing of a purchase request (PR)
from notification to final approval. They are only concerned if it takes longer than 14 days. A
sample of 25 PRs produced a mean of 15.5 days and a standard deviation of 1.5 days. Test at the
5% level of significance whether they are meeting their goal. Select the co
ect...
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