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Propagation of Error

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Definition

A numerical technique used in response surface methods to identify the areas of robustness or ‘flats’ on a response surface – the high plateaus of product/process quality and efficiency where variance transmitted by the input Factors is minimized.

Thus, propagation of error helps reduces variation transmitted to the response from variation in the Inputs.

External Links

A Case Study on Propagation of Error from iSixSigma: - http://www.isixsigma.com/library/content/c021021b.asp