ASTM-E2655 2008

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E2655-08 Standard Guide for Reporting Uncertainty of Test Results and Use of the Term Measurement Uncertainty in ASTM Test Methods

Published By	Publication Date	Number of Pages
ASTM	2008	6

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Description

1.1 This guide provides concepts necessary for understanding the term uncertainty when applied to a quantitative test result. Several measures of uncertainty can be applied to a given measurement result; the interpretation of some of the common forms is described.

1.2 This guide describes methods for expressing test result uncertainty and relates these to standard statistical methodology. Relationships between uncertainty and concepts of precision and bias are described.

1.3 This guide also presents concepts needed for a laboratory to identify and characterize components of method performance. Elements that an ASTM method can include to provide guidance to the user on estimating uncertainty for the method are described.

1.4 The system of units for this guide is not specified. Dimensional quantities in the guide are presented only as illustrations of calculation methods and are not binding on products or test methods treated.

1.5 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 and health practices and determine the applicability of regulatory limitations prior to use.

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PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Significance and Use Concepts for Reporting Uncertainty of Test Results
4	Uncertainty for Estimates Based on Probability Samples Uncertainty Estimation by the Control Sample Approach Propagation of Uncertainty
5	Keywords X1. EXAMPLE OF UNCERTAINTY CALCULATION BY PROPAGATION OF UNCERTAINTY X1.1 X1.2 X1.3 X1.4 TABLE X1.1
6	X1.5 X1.6 X1.7 X1.8 REFERENCES TABLE X1.2

Additional information

Standard Title	E2655-08 Standard Guide for Reporting Uncertainty of Test Results and Use of the Term Measurement Uncertainty in ASTM Test Methods
Published Code	ASTM
Publication Date	2008
Pages Count	6

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ASTM-E2655 2008

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