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7 17 100 Construct a p-chart that plots the percentage of patients unsatisfied with their meals. Set the control limits to include 99.73% of the ran- dom variation in meal satisfaction. Comment on your results. PX

7 17 100 Construct a p-chart that plots the percentage of patients unsatisfied with their meals. Set the control limits to include 99.73% of the ran- dom variation in meal satisfaction. Comment on your results. PX

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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S6.19

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-$6.19 Houston North Hospital is trying to improve its image by providing a positive experience for its patients and their relatives. Part of the "image" program involves providing tasty, inviting patient meals that are also healthful. A questionnaire accompanies each meal served, asking the patient, among other things, whether he or she is satisfied or unsatisfied with the meal. A 100-patient sample of the survey results over the past 7 days yielded the following data: NO. OF UNSATISFIED PATIENTS 24 22 8 15 10 26 17 DAY 1 2 3 4 5 6 7 SAMPLE SIZE 100 100 100 100 100 100 100 Construct a p-chart that plots the percentage of patients unsatisfied with their meals. Set the control limits to include 99.73% of the ran- dom variation in meal satisfaction. Comment on your results. PX
Transcribed Image Text:-$6.19 Houston North Hospital is trying to improve its image by providing a positive experience for its patients and their relatives. Part of the "image" program involves providing tasty, inviting patient meals that are also healthful. A questionnaire accompanies each meal served, asking the patient, among other things, whether he or she is satisfied or unsatisfied with the meal. A 100-patient sample of the survey results over the past 7 days yielded the following data: NO. OF UNSATISFIED PATIENTS 24 22 8 15 10 26 17 DAY 1 2 3 4 5 6 7 SAMPLE SIZE 100 100 100 100 100 100 100 Construct a p-chart that plots the percentage of patients unsatisfied with their meals. Set the control limits to include 99.73% of the ran- dom variation in meal satisfaction. Comment on your results. PX
26 ..$6.20 Jamison Kovach Supply Company manufactures paper clips and other office products. Although inexpensive, paper clips have provided the firm with a high margin of profitability. Sample size is 200. Results are given for the last 10 samples: SAMPLE 1 2 3 4 DEFECTIVES 5 7 4 5 6 7 8 9 4 6 3 5 6 2 10 8 a) Establish upper and lower control limits for the control chart and graph the data. b) Has the process been in control? c) If the sample size were 100 instead, how would your limits and conclusions change? PX
Transcribed Image Text:26 ..$6.20 Jamison Kovach Supply Company manufactures paper clips and other office products. Although inexpensive, paper clips have provided the firm with a high margin of profitability. Sample size is 200. Results are given for the last 10 samples: SAMPLE 1 2 3 4 DEFECTIVES 5 7 4 5 6 7 8 9 4 6 3 5 6 2 10 8 a) Establish upper and lower control limits for the control chart and graph the data. b) Has the process been in control? c) If the sample size were 100 instead, how would your limits and conclusions change? PX
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