Table of Contents

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions, abbreviated terms and symbols
4 Principal features of cumulative sum (cusum) charts
5 Basic steps in the construction of cusum charts -
  Graphical representation
6 Example of a cusum plot - Motor voltages
7 Fundamentals of making cusum-based decisions
8 Types of cusum decision schemes
9 Cusum methods for process and quality control
Annex A (informative) - Von Neumann method
Annex B (informative) - Example of tabular cusum
Annex C (informative) - Estimation of the change point
        when a step change occurs
Bibliography

Abstract

This part of ISO 7870 provides statistical procedures for setting up cumulative sum (cusum) schemes for process and quality control using variables (measured) and attribute data.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 69
Supersedes	ISO/DIS 7870-4 : 60.00 (2011) ISO TR 7871 : 1997