A manufacturer produces micron chips for personal computers. From past experience, the production manager believes that 1%
Question:
a. From a statistical perspective, is a sample size of 1,000 adequate for constructing the p-chart? Explain.
b. Calculate the chart's upper and lower control limits.
c. What does the p-chart suggest about the presence of special causes during the time when the data were collected?
d. Critique the rational subgrouping strategy used by the disk manufacturer.
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Related Book For
Statistics For Business And Economics
ISBN: 9780134506593
13th Edition
Authors: James T. McClave, P. George Benson, Terry Sincich
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