Definition: | parameter, associated with the result of a measurement, that characterizes the dispersion of the values that could reasonably be attributed to the measurand Note 1 to entry: This formal definition of the term “uncertainty of measurement” was developed for use in ISO/IEC Guide 98-3:2008, Uncertainty of measurement – Part 3: Guide to the expression of uncertainty in measurement (GUM 1995), and ISO/IEC Guide 99:2007, International vocabulary of metrology – Basic and general concepts and associated terms (VIM).
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