ISO 7870-4:2021

Control charts — Part 4: Cumulative sum charts

Publication date: Sep 21, 2021

General information

Current stage: 60.60 Effective date: Sep 21, 2021

Originator: ISO

Owner: ISO/TC 69/SC 4

Type: International Standard

ICS: 03.120.30

Languages: English

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Status: Published

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Scope

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.

Life cycle

PREVIOUSLY

Revises
ISO 7870-4:2011

NOW

PUBLISHED
ISO 7870-4:2021
60.60 Standard published
Sep 21, 2021

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