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LQL Like Plans for Sampling by Variables

Summary: Variables sampling plans can sometimes be used with rectifying inspection in place of attribute plans. Frequently this will reduce the average total inspection by a substantial amount. Considered here are LQL like plans derived under the assumption that the measurable characteristic has a distribution that is either normal, exponential, or Poisson. For computations it is not necessary to write a special computer program. Only the cumulative noncentral T and the cumulative chi-square distributions are required.

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  • Topics: Sampling
  • Keywords: Sampling,Normal distribution,Poisson distribution,Variables sampling plans
  • Author: Guenther, William C.
  • Journal: Journal of Quality Technology