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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: SAMPLE n NUMBER OF DEFECTIVE ITEMS IN THE SAMPLE 1 15 3 2 15 1 3 15 0 4 15 0 5 15 0 6 15 2 7 15 0 8 15 3 9 15 1 10 15 0 Determine the p¯�¯ , Sp�� , UCL and LCL for a p-chart of 95 percent confidence (1.96 standard deviations). Note: Leave no cells blank - be certain to enter "0" wherever required. Round your answers to 3 decimal places.   What comments can you make about the process? multiple choice Process is in statistical control. Process is out of statistical control.

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: SAMPLE n NUMBER OF DEFECTIVE ITEMS IN THE SAMPLE 1 15 3 2 15 1 3 15 0 4 15 0 5 15 0 6 15 2 7 15 0 8 15 3 9 15 1 10 15 0 Determine the p¯�¯ , Sp�� , UCL and LCL for a p-chart of 95 percent confidence (1.96 standard deviations). Note: Leave no cells blank - be certain to enter "0" wherever required. Round your answers to 3 decimal places.   What comments can you make about the process? multiple choice Process is in statistical control. Process is out of statistical control.

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:

SAMPLE n NUMBER OF DEFECTIVE ITEMS IN THE SAMPLE
1 15 3
2 15 1
3 15 0
4 15 0
5 15 0
6 15 2
7 15 0
8 15 3
9 15 1
10 15 0

  1. Determine the p¯�¯ , Sp�� , UCL and LCL for a p-chart of 95 percent confidence (1.96 standard deviations).

    Note: Leave no cells blank - be certain to enter "0" wherever required. Round your answers to 3 decimal places.

     

  2. What comments can you make about the process?

    multiple choice

    • Process is in statistical control.
    • Process is out of statistical control.
 
 
 
 
 
 
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