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Title: Methods For Accounting For Dependencies Between Components Of Measurement Uncertainty
Author: Semyon G . Rabinovich
Source: 1994 Measurement Science Conference
Year Published: 1994
Abstract: The basic mathematical formulas that determine the correlation coefficient between random quantities are discussed and transformed into formulas for practical calculations related to estimation of measurement uncertainty. As an example, an indirect measurement of the electrical resistance of a resister is considered in detail. Also, an alternative method of estimation of uncertainty of an indirect measurement based on transformation of the data of the indirect measurement into the data of a set of direct measurements is proposed. It is shown that in cases where the existing method based on correlation coefficientcan be used, the new method simplifies all calculations. In addition, our method can be used in cases where the correlation coefficient method is not applicable.

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