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Factors for Tolerance Limits Which Control Both Tails of the Normal Distribution

Summary: A special type of tolerance limits for a normal distribution is presented. The limits have the property that with probability y no more than a specified proporation p1 of a normal population is below the lower limit and at the same time no more than a specified proportion p2 of that population is above the upper limit. An extensive tabulation of the factors necessary to calculate these limits is provided.

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  • Topics:
  • Keywords: Normal distribution,Tolerances
  • Author: Owen, D.B.; Frawley, W.H.
  • Journal: Journal of Quality Technology