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A personnel manager is concerned about absenteeism. She decides to sample the re

ID: 3391888 • Letter: A

Question

A personnel manager is concerned about absenteeism. She decides to sample the records to determine if absenteeism is distributed evenly throughout the six-day workweek. The null hypothesis to be tested is: Absenteeism is distributed evenly throughout the week. The 0.02 level is to be used. The sample results are:


How many degrees of freedom are there?

7

6

5

4

  Day of Week Number Absent   Monday 32            Tuesday 39            Wednesday 31            Thursday 20            Friday 39            Saturday 19         

Explanation / Answer

A personnel manager is concerned about absenteeism. She decides to sample the records to determine if absenteeism is distributed evenly throughout the six-day workweek. The null hypothesis to be tested is: Absenteeism is distributed evenly throughout the week. The 0.02 level is to be used. The sample results are:

  Day of Week

Number Absent

  Monday

32         

  Tuesday

39         

  Wednesday

31         

  Thursday

20         

  Friday

39         

  Saturday

19         


How many degrees of freedom are there?

7

6

5

4

Answer = c-1 =6-1 =5

  Day of Week

Number Absent

  Monday

32         

  Tuesday

39         

  Wednesday

31         

  Thursday

20         

  Friday

39         

  Saturday

19         

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