Cumulative Sum Charts

Article

Page, E.S.   (1961, ASQC and the American Statistical Association)   University of Durham Computing Laboratory, Newcastle upon Tyne, England

Technometrics    Vol. 3    No. 1
QICID: 7697    February 1961    pp. 1-9
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Article Abstract

This paper, presented orally to the Gordon Research Conference on Statistics in Chemistry in July 1960, traces the development of process inspection schemes from the original methods of Shewhart to the new charts using cumulative sums, and surveys and the present practice in the operation of schemes based on cumulative sums. In spite of the completely different appearance of the visual records kept for Shewhart and cumulative sum charts, a continuous sequence of development from the one type of scheme to the other can be established. The criteria by which a particular process inspection scheme is chosen are also developed and the practical choice of schemes is described.


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