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Laboratory QA/QC Control Charts, Standard Deviation & Measurement Uncertainty

Implementing Shewhart control charts, calculating expanded measurement uncertainty (k = 2), and blind duplicate testing.

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Laboratory QA/QC Control Charts, Standard Deviation & Measurement Uncertainty

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1. Relative Standard Deviation (RSD)

RSD (%) = (s / x_bar) × 100%
PEER-REVIEWED TEXTBOOK & JOURNAL CITATIONS
  • ISO/IEC. (2017). ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories. ISO. [Access Reference]