Six Sigma SPC - Statistical Process Control

Six Sigma SPC's Quality Control Dictionary and Glossary
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QA - Quality assurance

Department or act of maintaining products or services to insure conformance to customer requirements or other specifications. Related more to a quality system than a quality plan. When using six sigma, QA should watch for the design margins, (i.e. the 1.5 sigma), shift when doing quality inspections.

Most important tools for quality assurance are inspections, typically using some sort of stratified sampling plan and utilizing random sampling with control charts using SPC, (Statistical Process Control).

Quality assurance team members should be a involved in all design reviews such as, CDR, (Concept Design Review), MDR, (Manufacturing Design Review), PDR, (Prototype Design Review), PPDR, (Post Production Design Review), and have knowledge of such items as preliminary plans.

Also see samples, quality, operational definition, and QFD, (Quality Function Deployment)


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Last Updated: Tuesday, 04-Apr-06 21:17:52 PDT