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  • ASTM D 2906 : 1997

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Standard Practice for Statements on Precision and Bias for Textiles

    Available format(s):  Hardcopy, PDF

    Superseded date:  11-11-2014

    Language(s):  English

    Published date:  10-11-1997

    Publisher:  American Society for Testing and Materials

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    1.1 This practice serves as a guide for using the information obtained as directed in Practice D2904 to prepare statements on precision and bias in ASTM methods prepared by Committee D-13. The manual on form and style for standards specifies that statements on precision and bias be included in test methods. Committee D-13 recommends at least a statement about single-operator precision in test methods. Whenever applicable, a statement on precision based on values from a statistical analysis of interlaboratory data is expected in tentative methods proposed for adoption as standard.

    1.2 The preparation of statements on precision and bias requires a general knowledge of statistical principles including the use of components of variance estimated from an analysis of variance. Instructions covering such calculations are available in Practice D2904 or in any standard text (1, 2, 3, 4, and 5).

    1.3 The instructions in this practice are specifically applicable to test methods in which test results are based ( ) on the measurement of variables, ( ) on the number of successes or failures in the specified number of observations, ( ) on the number of defects or incidents counted in a specified interval or in a specified amount of material, and ( ) on the presence or absence of an attribute in a test result (a go, no-go test). Instructions are also included for methods of test for which precision has not yet been estimated or for which precision and accuracy have been reported in another method of test. For observations based on the measurement of variables, the instructions of this practice specifically apply to test results that are the arithmetic average of individual observations. With qualified assistance, the same general principles can be applied to test results that are based on other functions of the data such as standard deviations.

    1.4 This standard includes the following sections:

    Section No. Attributes, Statements Based on 15 Binomial Distributions, Calculations for 9 Binomial Distributions, Statements Based on 13 Categories of Data 7 Computer Preparation of Statements Based on Normal or Trans- 12 formed Data Normal Distributions and Transformed Data, Calculations for 8 Normal Distributions and Transformed Data, Statements Based on 11 Poisson Distributions, Calculations for 10 Poisson Distributions, Statements Based on 14 Precision and Bias Based on Other Methods 16 Precision Not Established, Statements When 17 Ratings, Statements Based on Special Cases of 18 Sources of Data 6 Statistical Data in Two Sections of Methods 5 Significance and Use 4

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    Committee D 13
    Document Type Standard Practice
    Publisher American Society for Testing and Materials
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    ASTM D 1777 : 1996 : R2019 Standard Test Method for Thickness of Textile Materials
    ASTM D 4850 : 2013 : R2017 : EDT 1 Standard Terminology Relating to Fabrics and Fabric Test Methods
    ASTM C 181 : 2011 : R2018 Standard Test Method for Workability Index of Fireclay and High-Alumina Refractory Plastics
    ASTM D 3882 : 2008 : R2016 : EDT 1 Standard Test Method for Bow and Skew in Woven and Knitted Fabrics
    ASTM D 5587 : 2015 : R2019 Standard Test Method for Tearing Strength of Fabrics by Trapezoid Procedure
    ASTM D 6283 : 2012 Standard Test Method for Tuft Element Length of Uncoated Pile Yarn Floor Coverings
    ASTM D 578/D578M : 2018 Standard Specification for Glass Fiber Strands
    ASTM D 3107 : 2007 : R2019 Standard Test Methods for Stretch Properties of Fabrics Woven from Stretch Yarns
    ASTM D 3652/D3652M : 2001 : R2012 Standard Test Method for Thickness of Pressure-Sensitive Tapes
    ASTM D 5793 : 2018 Standard Test Method for Binding Sites per Unit Length or Width of Pile Yarn Floor Coverings
    ASTM D 6479 : 2015 Standard Test Method for Determining the Edgecomb Resistance of Woven Fabrics Used in Inflatable Restraints
    ASTM D 2594 : 2004 : R2016 Standard Test Method for Stretch Properties of Knitted Fabrics Having Low Power
    ASTM D 5344 : 1999 : R2017 Standard Test Method for Extension Force of Partially Oriented Yarn
    ASTM D 4772 : 2014 : R2019 Standard Test Method for Surface Water Absorption of Terry Fabrics (Water Flow)
    ASTM D 1388 : 2018 Standard Test Method for Stiffness of Fabrics
    ASTM D 2261 : 2013 : R2017 : EDT 1 Standard Test Method for Tearing Strength of Fabrics by the Tongue (Single Rip) Procedure (Constant-Rate-of-Extension Tensile Testing Machine)
    ASTM D 6797 : 2015 Standard Test Method for Bursting Strength of Fabrics Constant-Rate-of-Extension (CRE) Ball Burst Test
    ASTM D 3883 : 2004 : R2016 Standard Test Method for Yarn Crimp and Yarn Take-up in Woven Fabrics
    ASTM D 2256/D2256M : 2010 : R2015 Standard Test Method for Tensile Properties of Yarns by the Single-Strand Method
    ASTM D 3886 : 1999 : R2015 Standard Test Method for Abrasion Resistance of Textile Fabrics (Inflated Diaphragm Apparatus)
    ASTM D 6828 : 2002 : R2019 Standard Test Method for Stiffness of Fabric by Blade/Slot Procedure
    ASTM D 737 : 2018 Standard Test Method for Air Permeability of Textile Fabrics
    ASTM D 1871 : 2004 : R2014 Standard Test Method for Adhesion Between Tire Bead Wire and Rubber
    ASTM D 6674 : 2001 : R2017 Standard Guide for Proficiency Test Program for Fabrics
    ASTM C 831 : 2018 Standard Test Methods for Residual Carbon, Apparent Residual Carbon, and Apparent Carbon Yield in Coked Carbon-Containing Brick and Shapes
    ASTM D 1424 : 2009 : R2019 Standard Test Method for Tearing Strength of Fabrics by Falling-Pendulum (Elmendorf-Type) Apparatus
    ASTM D 2860/D2860M : 2018 Standard Test Method for Adhesion of Pressure-Sensitive Tape to Fiberboard at 90° Angle and Constant Stress
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