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Browsing Natural and Agricultural Sciences by Postgraduate "Graham, Marien Alet"
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(University of Pretoria, 2013)Distribution-free (nonparametric) control charts can be useful to the quality practitioner when the underlying distribution is not known. The term nonparametric is not intended to imply that there are no parameters ...
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(University of Pretoria, 2011-02-24)Statistical quality control charts originated in the late 1920’s by Shewhart (1926, 1931 and 1939). Their applications in various disciplines have been ever-increasing. Although most control charts are distribution-based, ...
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