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Chi square test for goodness of fit.

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 0.01 level is to be used. The sample results are:

Day of the Week Number Absent

Monday 12
Tuesday 9
Wednesday 11
Thursday 10
Friday 9
Saturday 9

7. What is the expected frequency?
A. 9
B. 10
C. 11
D. 12

8. What is the calculated value of chi-square?
A. 1.0
B. 0.5
C. 0.8
D. 8.0

9. What is your conclusion?
A. Absenteeism is evenly distributed throughout the week.
B. Absenteeism is not evenly distributed throughout the week.
C. I cannot say anything about absenteeism based on my statistics.
D. Absenteeism is increasing throughout the week.

Solution Summary

Step by step method for testing the hypothesis under 5 step approach is discussed here. Excel template for each problem is also included. This template can be used to obtain the answers of similar problems.