• BS EN ISO 4259-1:2017

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Petroleum and related products. Precision of measurement methods and results Determination of precision data in relation to methods of test

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-12-2019

    Language(s):  English

    Published date:  17-01-2018

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Stages in the planning of an interlaboratory study
      for the determination of the precision of a test method
    5 Statistical treatment of ILS results
    6 Analysis of variance, calculation and expression
      of precision estimates
    7 R/r ratio
    Annex A (normative) - Determination of number of samples required
    Annex B (informative) - Derivation of formula for estimating
            the number of laboratories and samples required to
            meet minimum 30 degrees of freedom
    Annex C (normative) - Notation and tests
    Annex D (normative) - Illustration of procedures using
            ILS results for Bromine Number and statistical tables
    Annex E (normative) - Types of dependence and corresponding
            transformations
    Annex F (normative) - Weighted linear regression analysis
    Annex G (normative) - Rules for rounding
    Annex H (normative) - GESD technique to simultaneously
            identify multiple outliers in a data set
    Annex I (informative) - Glossary
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes the methodology for the design of an Interlaboratory Study (ILS) and calculation of precision estimates of a test method specified by the study.

    General Product Information - (Show below) - (Hide below)

    Committee PTI/13
    Development Note Together with BS EN ISO 4259-2, it supersedes BS EN ISO 4259. (01/2018)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    ASTM D 7778 : 2015 : REDLINE Standard Guide for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
    ASTM D 3244 : 2016-06 PRACTICE FOR UTILIZATION OF TEST DATA TO DETERMINE CONFORMANCE WITH SPECIFICATIONS
    ISO 3534-2:2006 Statistics Vocabulary and symbols Part 2: Applied statistics
    ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
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