![]() Process capability indices measure how much "natural variation" a process experiences relative to its specification limits, and allows different processes to be compared to how well an organization controls them. This means it cannot account for deviations which are not expected, such as misaligned, damaged, or worn equipment. ![]() The concept of process capability only holds meaning for processes that are in a state of statistical control. The process capability index, or process capability ratio, is a statistical measure of process capability: the ability of an engineering process to produce an output within specification limits. ![]() ( May 2015) ( Learn how and when to remove this template message) ![]() Please help improve the article by providing more context for the reader. This article provides insufficient context for those unfamiliar with the subject. ![]()
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