ISO 7870-4:2021

International Standard   Current Edition · Approved on 21 September 2021

Control charts — Part 4: Cumulative sum charts

ISO 7870-4:2021 Files

English 50 Pages
Current Edition
78.97 OMR

ISO 7870-4:2021 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.

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