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a. Design a pchart The upper control limit isand the lower control limit is (Enter your responses rounded to three decimal places. If your answer for the lower control limit is negative, enter this value as 0)

a. Design a pchart The upper control limit isand the lower control limit is (Enter your responses rounded to three decimal places. If your answer for the lower control limit is negative, enter this value as 0)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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As a hospital administrator of a large hospital, you are concermed with the absentooism among nurses' aides. The issue has been raised by rogistered nurses, who feel they often have to perform work normally done by their aides. To get the facts, absenteeism data were gathered for the last three weeks, which is considered a representative period for future conditions. After taking random samples of 65 personnel files each day, the following data were produced: Day Aides Absent Day Aldes Absent Day Aides Absent 3 6. 7 3 11 1 12 8 13 4. 14 4 5 3 10 3. 15 3 Because your assessment of absenteeism is likely to come under careful scrutiny, you would like a type l error of only 5 percent (z=1.96) You want to be sure to identify any instances of unusual absences. If sorne are present, you will have to explore them on behalf of the registered nurses. a. Design a p-chart. The upper control limit is and the lower control limit is (Entor your responses rounded to throe docimal places. If your answer for the lower control limit is negative, enter this value as 0.) b. Based on your p-chart and the data from the last 3 weeks, what can you conclude about the absenteeism of nurses' aides? OA The proportion of absent aides from day 14 is above the upper control limit, so the process is not in control, O B. The proportion of absent aides from day 13 is above the upper control imit, so the procoss is not in control. OC. The proportion of absent aides from day 15 is below the lower control fimit, so the process is not in control. OD. All sample proportions are within the control limitn, so the process is in control.
Transcribed Image Text:As a hospital administrator of a large hospital, you are concermed with the absentooism among nurses' aides. The issue has been raised by rogistered nurses, who feel they often have to perform work normally done by their aides. To get the facts, absenteeism data were gathered for the last three weeks, which is considered a representative period for future conditions. After taking random samples of 65 personnel files each day, the following data were produced: Day Aides Absent Day Aldes Absent Day Aides Absent 3 6. 7 3 11 1 12 8 13 4. 14 4 5 3 10 3. 15 3 Because your assessment of absenteeism is likely to come under careful scrutiny, you would like a type l error of only 5 percent (z=1.96) You want to be sure to identify any instances of unusual absences. If sorne are present, you will have to explore them on behalf of the registered nurses. a. Design a p-chart. The upper control limit is and the lower control limit is (Entor your responses rounded to throe docimal places. If your answer for the lower control limit is negative, enter this value as 0.) b. Based on your p-chart and the data from the last 3 weeks, what can you conclude about the absenteeism of nurses' aides? OA The proportion of absent aides from day 14 is above the upper control limit, so the process is not in control, O B. The proportion of absent aides from day 13 is above the upper control imit, so the procoss is not in control. OC. The proportion of absent aides from day 15 is below the lower control fimit, so the process is not in control. OD. All sample proportions are within the control limitn, so the process is in control.
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