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ASTM E177:20 RLV

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Note: This standard has a new edition: ASTM E177:26a

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Abstract

The purpose of this practice is to present concepts necessary to the understanding of the terms “precision” and “bias” as used in quantitative test methods. This practice also describes methods of expressing precision and bias and, in a final section, gives examples of how statements on precision and bias may be written for ASTM test methods. A statement of precision allows potential users of a test method to assess in general terms the test method’s usefulness with respect to variability in proposed applications.

Document information

  • Redline from ASTM
  • Published:
  • Edition: 20
  • Version: 0
  • Document type: IS
  • ICS 19.020

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