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Reviews of Standards and Specifications: United States Department of Agriculture CUSUM Acceptance Sampling Procedures

Summary: A set of USDA acceptance sampling plans based on cumulative sum (CUSUM) procedures is described. The plans, for inspection by attributes, are indexed by AQL's and apply to continuous production grouped in lots or batches. They are simple to apply and provide better discrimination than single sampling plans. The plans differ from published CUSUM procedures in that starting values are used and the CUSUM value is not reset to zero after failure.

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  • Topics: Standards, Sampling
  • Keywords: Standards and specifications,Cumulative sum control chart (CUSUM),Acceptance sampling,Values
  • Author: Elder, Robert S.; Provost, Lloyd P.; Ecker, Owen M.
  • Journal: Journal of Quality Technology