Abstract Preview

ISO 28597:2017 specifies, for quality levels expressed as nonconforming items per million items, procedures for estimating the quality level of a single entity (e.g. a lot) and, when the production process is in statistical control, for estimating the process quality level based on evidence from several samples. Procedures are also specified for using this information when selecting a suitable sampling plan so as to verify that the quality level of a given lot does not exceed a stated limiting quality level (LQL). For the case where no prior sample data is available, guidance is given for presuming a process quality level in selecting a plan.


General information

  • Status :  Published
    Publication date : 2017-10
  • Edition : 1
    Number of pages : 19
  • :
    ISO/TC 69/SC 5
    Acceptance sampling
  • 03.120.30
    Application of statistical methods

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