As an administrator of a company, you are concerned with theabsenteeism among? your employees . The issue has been raised byemployees, who feel they often have to perform work normally doneby their assistants. To get the? facts, absenteeism data weregathered for the last three? weeks, which is considered arepresentative period for future conditions. After taking randomsamples of 64 personnel files each? day, the following data were?produced:
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Day | Assistants Absent | Day | Assistants Absent | Day | Assistants Absent |
1 | 9 | 6 | 2 | 11 | 6 |
2 | 6 | 7 | 9 | 12 | 7 |
3 | 9 | 8 | 3 | 13 | 12 |
4 | 7 | 9 | 3 | 14 | 3 |
5 | 2 | 10 | 1 | 15 | 7 |
Because your assessment of absenteeism is likely to come undercareful? scrutiny, you would like a type I error of only 1 percent.You want to be sure to identify any instances of unusual absences.If some are? present, you will have to explore them on behalf ofthe employees.
a. Design a? p-chart.
The upper control limit
the lower control limit is
b. Based on your? p-chart and the data from the last 3? weeks,what can you conclude about the absenteeism of? Assistants?
