ASTM-E177:2020 Edition(Redline)

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E177-20 Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods (Redline)

Published By	Publication Date	Number of Pages
ASTM	2020	14

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Category: ASTM

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Description

ASTM E177-20

Redline Standard: Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods

ASTM E177

Scope

1.1 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.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

accepted reference value; accuracy; bias; interlaboratory study; precision; precision conditions; repeatability; reproducibility; standard deviation;

ICS Code

ICS Number Code 19.020 (Test conditions and procedures in general)

DOI: 10.1520/E0177-20

Additional information

Standard Title	E177-20 Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods (Redline)
Published Code	ASTM
Publication Date	2020
Pages Count	14