This guide serves as an aid to subcommittees writing and maintaining test methods. It helps to (1) determine if it is possible to reduce test variability, and, if so, provide a systematic approach to the reduction.
This guide is being withdrawn with no replacement because D13 no longer has the expertise to maintain and statistical standards are being maintained by committee E11.
Formerly under the jurisdiction of Committee D13 on Textiles, this guide was withdrawn in July 2008.
1.1 This guide serves as an aid to subcommittees writing and maintaining test methods. It helps to (1) determine if it is possible to reduce test variability, and, if so, ( 2) provide a systematic approach to the reduction.
1.2 This guide includes the following topics:
|Topic Title||Section Number|
|Significance and Use||4|
|Measures of Test Variability||5|
|Unnecessary Test Variability||6|
|Identifying Probable Causes of Test Variability||7|
|Determining the Causes of Test Variability||8|
1.3 The annexes include:
|Topic Title||Annex Number|
|Statistical Test Selection||Annex A1|
|Frequency Distribution Identification||Annex A2|
|Design of Ruggedness Tests||Annex A3|
|Ruggedness Test Analysis:|
|Unknown or Undefined Distribution—Small Sample||Annex A4|
|Unknown or Undefined Distribution—Large Sample||Annex A5|
|Binomial Distribution||Annex A6|
|Poisson Distribution||Annex A7|
|Normal Distribution||Annex A8|
|Design of a Randomized Block Experiment||Annex A9|
|Randomized Block Experiment Analysis:|
|Unknown or Undefined Distribution—Small Sample||Annex A10|
|Unknown or Undefined Distribution—Large Sample||Annex A11|
|Binomial Distribution||Annex A12|
|Poisson Distribution||Annex A13|
|Normal Distribution||Annex A14|
|No Compositing||Annex A15|
developing test methods; interlaboratory testing; ruggedness test design; statistics; uniformity;
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Citing ASTM Standards
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