A NUMERICAL METHOD FOR MODELLING THE PARAMETERS Λ AND Δ OF AN EWMA CHART
The exponentially weighted moving average chart (EWMA) is widely employed in quality control to monitor a process or to evaluate historic data. EWMA charts are designed to exhibit acceptable average run lengths both when the process is in and out of control. This paper introduces a functional techni...
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| Format: | Article |
| Language: | English |
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Center for Quality, Faculty of Engineering, University of Kragujevac, Serbia
2010-09-01
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| Series: | International Journal for Quality Research |
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| Online Access: | http://www.ijqr.net/journal/v4-n3/1.pdf |