Transcription of 129 New Terminology - SPC Press
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129 New Terminology - SPC Press
SPC Ink, 1998, No. 129 1998 SPC Press1 The New TerminologyDonald J. WheelerStatistical process control has been around for over 70 years. However, there is today considerableconfusion about the nature and purpose of SPC. I believe this is because many have sought to reshapeSPC according to their own background and hear the words Statistical process control and immediately think of classical statisticalprocedures. They try to fit SPC into this framework of parameters, distributional assumptions, tests ofhypotheses, and confidence levels. Of course, when this group tries to share their version of SPC they aremet with that same total lack of comprehension which is the fate of classical statistics.
The New Terminology Donald J. Wheeler www.spcpress.com/pdf/DJW129.pdf 3 Instead of control charts we talk about process behavior charts. This has the advantages of ...
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