SIX SIGMA-BASED RANGE AND STANDARD DEVIATION CHARTS FOR CONTINUOUS QUALITY IMPROVEMENT
Control charts for range (R-chart) and standard deviation (S-chart) are commonly used charts along with X-bar control chart for variables. One of the major challenges in these charts is the use of appropriate estimators of the unknown population parameters involved in the control limits. In this pa...
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| Format: | Article |
| Language: | English |
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Center for Quality, Faculty of Engineering, University of Kragujevac, Serbia
2017-09-01
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| Series: | International Journal for Quality Research |
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| Online Access: | http://www.ijqr.net/journal/v11-n3/3.pdf |