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ASTM-E177:2004 Edition

ASTM-E177:2004 Edition

$44.96

E177-04e1 Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods

Published By Publication Date Number of Pages
ASTM 2004 13
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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 and health practices and determine the applicability of regulatory requirements prior to use.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
3 Significance and Use
Test Method
Measurement Terminology
4 Observation
Test Determination
Test Result
Experimental Realization of a Test Method
5 Operator
Apparatus
Environment
Sample (Test Specimens)
Time
Accepted Reference Value
Statistical Control
6 Precision
Bias
7 Accuracy
Variation of Precision and Bias with Material
Variation of Precision and Bias with Sources of Variability
Repeatability and Laboratory Bias
8 Other Within-A-Single Laboratory Precisions
Reproducibility and Bias of the Test Method
Range of Materials
9 Indexes of Precision
Preferred Indexes of Precision for ASTM Test Methods
10 Preferred Statements of Bias for ASTM Test Methods
Elements of a Statement of Precision and Bias
11 Statements of Precision and Bias
12 Keywords
13 REFERENCES

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