STATISTICAL METHODS IN QUALITY MANAGEMENT - PROCESS CAPABILITY ANALYSIS
DOI:
https://doi.org/10.7494/mafe.2007.33.2.121Keywords:
quality management, statistical methods, statistical process control, SPC, process capability analysisAbstract
Statistical methods belong to the basic quality tools. Among statistical instruments the statistical process control SPC takes particular place. One of the principal tasks of SPC is process capability analysis i.e. the assessment of process potential as for variability regarding expectations defined by specification limits. For capability estimation some indices are used - Cp, Cpk, Pp, Ppk etc. In this work the way of determining and interpreting capability indices Cp, Cpk.
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