Components used in a cellular telephone are manufactured with nominal dimension of 0.3 mm and lower and
Question:
(a) Estimate the mean and standard deviation of this process.
(b) Suppose that parts below the lower specification limits can be reworked, but parts above the upper specification limit must be scrapped. Estimate the proportion of scrap and rework produced by this process.
(c) Suppose that the mean of this process can be reset by fairly simple adjustments. What
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Related Book For
Introduction to Statistical Quality Control
ISBN: 978-1118146811
7th edition
Authors: Douglas C Montgomery
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