04-Statistical Control Charts-class

04-Statistical Control Charts-class - Edited by Foxit...

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Statistical Control Charts UGA FDST 4090/6090 - (c) W.C. Hurst 2009 1 Statistical Control Charts William C. Hurst FDST 4090/6090 (2009) Functions of Charts • Differentiate between • Investigate FDST 4090/6090 © W.C. Hurst 2009 • Detect statistically significant trends in measurements; when and by how much a change to the process has improved it More Functions • Serves as an ongoing “health” measure of a process; spot problems before they become significant Determine FDST 4090/6090 © W.C. Hurst 2009 • Determine • Monitoring tool to evaluate the past, present and predict the near future of a process Types of Charts Run Chart Statistical Control Chart FDST 4090/6090 © W.C. Hurst 2009 Run Chart FDST 4090/6090 © W.C. Hurst 2009 • Numerals on chart represent multiple observations at that point Structure of Statistical Control Chart Upper Control Limit Centerline actor FDST 4090/6090 © W.C. Hurst 2009 Lower Control Limit Quality F
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Statistical Control Charts UGA FDST 4090/6090 - (c) W.C. Hurst 2009
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04-Statistical Control Charts-class - Edited by Foxit...

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