A quality controller takes samples of 300 units and observes the number of subsequent bad parts. Sample:
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Question:
A quality controller takes samples of 300 units and observes the number of subsequent bad parts.
Sample: 1 2 3 4 5 6 7
# faults: 8 9 4 7 9 6 5
a) Determine the percentage of defect per sample.
b) Build the appropriate 3σ control chart
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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