ANOTHER ARGUMENT TO CONSIDER THE RELIABILITY OF THE UNCERTAINTY TYPE B SIMILAR TO TYPE A

Edivaldo A. Bulba, ; Victor R. Svoll
Abstract:
The ISO-GUM express that the standard deviation of the experimental standard deviation of the mean q obtained for ratio σ[s(q)]/σ(q) has a not negligible value for practical values of n, and therefore that Type A evaluations of the standard uncertainty are not necessarily more reliable than Type B evaluations. Although this correct comparison either, the assertion based on the value of the σ(q) is the not best, in way that this work to consider other relation as argument for this comparison.
Keywords:
uncertainty of the uncertainty, standard deviation distribution
Download:
PWC-2006-TC7-005u.pdf
DOI:
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Event details
Event name:
XVIII IMEKO World Congress
Title:

Metrology for a Sustainable Development

Place:
Rio de Janeiro, BRAZIL
Time:
17 September 2006 - 22 September 2006