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Average Sample Number for Semi-Curtailed Sampling Using the Poisson

Summary: Assuming a Poisson model, formulas are derived for the mean number of observations required to reach a decision when sampling is semi-curtailed. It is shown how the result can be obtained from the corresponding binomial solution with the Poisson approximation and from a direct argument using a waiting time distribution Some numerical results are considered.

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