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Description of Level of risk

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The director of an income tax agency hires four college students, who are business majors, to help prepare taxes during the busy season. To see whether he should hire any of them for the next year, he samples how long it takes each new employee to prepare similar tax returns for 10 randomly selected customers. Below is a table of their preparation times in minutes. Process the data by Excel at the 5% level of risk.

Tax Return Bob Martha Paul Jane
1 25 30 48 35
2 60 28 40 21
3 28 32 35 30
4 39 28 32 40
5 26 45 25 75
6 42 33 49 18
7 29 41 30 42
8 62 49 70 83
9 17 25 15 24
10 48 19 75 25

(a) Post your Excel printout here or attach it to this assignment.

(b) Assume that all returns have been correctly processed. Analyze the results. Are all four students, on average, equally efficient? Explain by using salient values on your Excel sheet.

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The expert examines the level of risk for income tax agencies.

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Please see the attached document for part a).

b) Assume that all returns have been correctly processed. Analyze the results. Are all four students, on average, equally efficient? ...

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