Reconsider the data in Exercise 5.35. Set up and apply an EWMA control chart to these data
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Reconsider the data in Exercise 5.35. Set up and apply an EWMA control chart to these data using and .
In exercise
Calcium hardness is measured hourly for a public swimming pool. Data (in ppm) for the last 32 hours are shown in Table 5E.13 (read down from left). The process target is = 175 ppm.
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Related Book For
Managing Controlling and Improving Quality
ISBN: 978-0471697916
1st edition
Authors: Douglas C. Montgomery, Cheryl L. Jennings, Michele E. Pfund
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