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Glossary - Q

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"Quality Assurance" or "QA" means the integrated system of operations and measurements performed to assure that data meets defined standards of quality with a stated level of confidence.

"Quality Control" or "QC" means the practice of standardized operations or measurements which determine one or more aspects of data quality. An example is the evaluation of precision and accuracy data of an analytical method by statistical methods for the purpose of establishing control limits within which future precision and accuracy data must fall.

 

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Last Updated: October 10, 2013