• 12/30247200 DC : 0

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    BS ISO 3951-1 - SAMPLING PROCEDURES FOR INSPECTION BY VARIABLES - PART 1: SPECIFICATION FOR SINGLE SAMPLING PLANS INDEXED BY ACCEPTANCE QUALITY LIMIT (AQL) FOR LOT-BY-LOT INSPECTION FOR A SINGLE QUALITY CHARACTERISTIC AND A SINGLE AQL

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-09-2013

    Language(s):  English

    Published date: 

    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 Symbols
    5 Acceptance quality limit (AQL)
    6 Switching rules for normal, tightened and reduced
       inspection
    7 Relation to ISO 2859-1
    8 Limiting quality protection
    9 Allowing for measurement uncertainty
    10 Planning
    11 Choice between variables and attributes
    12 Choice between the s-method and sigma-method
    13 Choice of inspection level and AQL
    14 Choice of sampling plan
    15 Preliminary operations
    16 Standard procedure for the s-method
    17 Standard procedure for the sigma-method
    18 Procedure during continuing inspection
    19 Normality and outliers
    20 Records
    21 Operation of switching rules
    22 Discontinuation and resumption of inspection
    23 Switching between the s-method and sigma-method
    24 Charts B to R Operating characteristic curves
       and tabulated values for single sampling plans,
       normal inspection: s-method
    25 Charts s-D to s-R Acceptance curves for combined
       control
    Annex A (normative) - Table for determining the sample
            size code letter
    Annex B (normative) - Form k s-method single sampling
            plans
    Annex C (normative) - Form k sigma-method single
            sampling plans
    Annex D (normative) - Values of f[s] for maximum sample
            standard deviation (MSSD)
    Annex E (normative) - Values of f[sigma] for maximum
            process standard deviation (MPSD)
    Annex F (normative) - Estimating the process fraction
            nonconforming for sample size 3: s-method
    Annex G (normative) - Form p[*] single sampling plans
    Annex H (normative) - Values of c[u] for upper control
            limit on the sample standard deviation
    Annex I (normative) - Supplementary acceptability constants
            for qualifying towards reduced inspection
    Annex J (normative) - Procedures for obtaining s and sigma
    Annex K (informative) - Consumers risk qualities
    Annex L (informative) - Producers risks
    Annex M (informative) - Operating characteristics for the
            sigma-method
    Annex N (informative) - Estimating the process fraction
            nonconforming for sample sizes 3 and 4: s-method
    Annex O (normative) - Procedures for allowing for
            measurement error
    Chart A - Sample size code letters of standard single
              sampling plans for specified qualities at
              probabilities of acceptance 95% and 10%
    Bibliography

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    Comment Closes On
    Committee SS/5
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    ISO 2854:1976 Statistical interpretation of data — Techniques of estimation and tests relating to means and variances
    ISO 16269-4:2010 Statistical interpretation of data Part 4: Detection and treatment of outliers
    ISO 7870:1993 Control charts General guide and introduction
    ISO 31-11:1992 Quantities and units Part 11: Mathematical signs and symbols for use in the physical sciences and technology
    ISO 10576-1:2003 Statistical methods — Guidelines for the evaluation of conformity with specified requirements — Part 1: General principles
    ISO 2859-2:1985 Sampling procedures for inspection by attributes — Part 2: Sampling plans indexed by limiting quality (LQ) for isolated lot inspection
    ISO 3534-2:2006 Statistics Vocabulary and symbols Part 2: Applied statistics
    ISO 2859-10:2006 Sampling procedures for inspection by attributes Part 10: Introduction to the ISO 2859 series of standards for sampling for inspection by attributes
    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
    ISO 5479:1997 Statistical interpretation of data — Tests for departure from the normal distribution
    ISO 3951-2:2013 Sampling procedures for inspection by variables — Part 2: General specification for single sampling plans indexed by acceptance quality limit (AQL) for lot-by-lot inspection of independent quality characteristics
    ISO 3534-1:2006 Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability
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