Ten samples of 15 parts each were taken from an ongoing process to establish a p-chart for
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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:
a. Develop a p- chart for 95 percent confidence (1.96 standard deviation).
b. Based on the plotted data points, what comments can youmake?
Transcribed Image Text:
NUMBER OF DEFECTIVE ITEMS IN THE SAMPLE NUMBER OF DEFECTIVE ITEMS IN THE SAMPLE SAMPLE SAMPLEn 15 15 15 15 15 15 15 15 15 15 5 10
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Related Book For
Operations and Supply Chain Management
ISBN: 978-0078024023
14th edition
Authors: F. Robert Jacobs, Richard Chase
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