Practical sheet | REF: FIC0587 V1

Control the reliability of your measurement and test results: repeatability and reproducibility of analysis methods

Author: Jean-Michel POU

Publication date: June 10, 2015, Review date: November 27, 2016 | Lire en français

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3. First approach to calculations

The easiest estimate to make, in most cases, is that of repeatability. In fact, provided that the measurements are not too costly, it's "enough" to carry out "a few measurements" under repeatability conditions to obtain a standard deviation very easily. Excel knows the formula to use for us, so all we have to do is ask...

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First approach to calculations