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ISO 7870-4:2021 - Control charts - Part 4: Cumulative sum charts Standard reference: ISO 7870-4:2021 (International Organization for Standardization) ## Overview ISO 7870-4:2021 specifies statistical…
1 Scope 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. It describes…