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A Method for Determining Equivalence in Industrial Settings: Defining and Testing the Equivalence of Two Methods or Two Laboratories

Summary: [This abstract is based on the author's abstract.]Average equivalence is the preferred method of determining the equivalence between two methods or two laboratories, but at times it is also desirable to compare the variabilities. A method is proposed that considers both the means and the variabilities. Bounds for conducting statistical tests are developed using the proposed equivalence criterion. The criteria are the ability to maintain the stated confidence level and test size and the simulated power of the tests using these bounds.

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  • Topics:
  • Keywords: Confidence intervals,Equivalency,Technology transfer,Variance components
  • Author: Quiroz, Jorge
  • Journal: Quality Engineering