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ISO
ISO 7870-4:2021

ISO 7870-4:2021

Control charts — Part 4: Cumulative sum charts

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General Information

Status :

Active

Standard Type : Main

Document No : ISO 7870-4:2021

Document Year : 2021

Pages : 50

Edition : 2

Section Volume : Applications of statistical methods in process management (ISO/TC 69/SC 4.)

ICS : Application of statistical methods (03.120.30)

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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