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A Proposed Attribute Skip-Lot Sampling Program

Summary: A skip-lot sampling program is described consisting of three states:

  1. lot-by-lot inspection
  2. skip-lot inspection
  3. skip-lot interruption.
The proposed switching rules are based on controlling three characteristics:
  1. the number of lots inspected during the lot-by-lot state until qualification
  2. the number of lots inspected during the skip-lot state until detection of a change in quality
  3. the probability of resuming skip-lot inspection from the interruption state.
The program has been submitted as a proposed ANSI standard to the ASQC Statistical Standards Committee and currently is in the Draft 2 stage of acceptance.

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  • Topics: Standards
  • Keywords: Standards and specifications,Renewal process,Attribute sampling plans,Moving average chart
  • Author: Liebesman, Burton S.; Saperstein, Bernard
  • Journal: Journal of Quality Technology