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ISO 7870-4:2021

Control charts — Part 4: Cumulative sum charts

General information
Valid from 21.09.2021
Directives or regulations
None
Standard history
Status
Date
Type
Name
21.09.2021
Main
29.06.2011
Main
This document describes statistical procedures for setting up cumulative sum (CUSUM) schemes for process and quality control using variables (measured) and attribute data. It describes general‑purpose methods of decision-making using cumulative sum (CUSUM) techniques for monitoring, control and retrospective analysis.
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Standard monitoring