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Ten samples of 15 parts each were taken from an ongoing process to establish a p-chart for control. The samples and the number of defectives in each are shown in the following table: NUMBER OF DEFECTIVE ITEMS IN THE SAMPLE SAMPLE 15 1 2. 15 3 15 2. 4. 15 15 15 7. 15 8. 15 9. 15 10 15 3. a. Determine the Sp UCL and LCL for a p-chart of 95 percent confidence (1.96 standard deviations). (Leave no cells blank - be certain to enter "O" wherever required. Round your answers to 3 decimal places.) p bar Sp UCL LCL b. What comments can you make about the process?

Ten samples of 15 parts each were taken from an ongoing process to establish a p-chart for control. The samples and the number of defectives in each are shown in the following table: NUMBER OF DEFECTIVE ITEMS IN THE SAMPLE SAMPLE 15 1 2. 15 3 15 2. 4. 15 15 15 7. 15 8. 15 9. 15 10 15 3. a. Determine the Sp UCL and LCL for a p-chart of 95 percent confidence (1.96 standard deviations). (Leave no cells blank - be certain to enter "O" wherever required. Round your answers to 3 decimal places.) p bar Sp UCL LCL b. What comments can you make about the process?

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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Ten samples of 15 parts each were taken from an ongoing process to establish a p-chart for control. The samples and the number of defectives in each are shown in the following table: NUMBER OF DEFECTIVE ITEMS IN THE SAMPLE SAMPLE 15 1 15 15 2 15 15 3 15 15 2 15 15 3. 10 15 a. Determine the Sp UCL and LCL for a p-chart of 95 percent confidence (1.96 standard deviations). (Leave no cells blank - be certain to enter "O" wherever required. Round your answers to 3 decimal places.) p bar Sp UCL LCL b. What comments can you make about the process? 234
Transcribed Image Text:Ten samples of 15 parts each were taken from an ongoing process to establish a p-chart for control. The samples and the number of defectives in each are shown in the following table: NUMBER OF DEFECTIVE ITEMS IN THE SAMPLE SAMPLE 15 1 15 15 2 15 15 3 15 15 2 15 15 3. 10 15 a. Determine the Sp UCL and LCL for a p-chart of 95 percent confidence (1.96 standard deviations). (Leave no cells blank - be certain to enter "O" wherever required. Round your answers to 3 decimal places.) p bar Sp UCL LCL b. What comments can you make about the process? 234
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