Scope
This part of ISO 7870 establishes a guide to the use and understanding of specialized control charts in situations where commonly used Shewhart control chart approach to the methods of statistical control of a process may either be not applicable or less efficient in detecting unnatural patterns of variation of the process.
This part of ISO 7870 also provides guidance as to when control charts discussed in this document should be used, their control limits, advantages and limitations. Each control chart is illustrated with an example.
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