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Confidence Limits for Proportion of Conformance

Summary: This paper presents two approximate methods for constructing lower confidence limits for proportion of conformance. Proportion of conformance is defined as the proportion of products with quality characteristic inside the specification limits. The performance of each method is assessed by simulation. Numerical examples are also given to illustrate the procedures.

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  • Topics:
  • Keywords: Simulations,Confidence intervals
  • Author: Wang, C. Ming; Lam, C. Teresa
  • Journal: Journal of Quality Technology