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pistolet de choc
mesure de continuité de masses
Oct 16, 2008 16:23
15 yrs ago
French term

incertitude à 2 écarts types

French to English Other Mathematics & Statistics electrical testing on a device
This is the title of column which gives results of certain electrical tests on a CO analyser device. The results are in % of reading. Any help much appreciated.
Proposed translations (English)
4 +5 uncertainty to 2 standard deviations

Proposed translations

+5
5 mins
Selected

uncertainty to 2 standard deviations

Assuming the sample population is normally distributed, the probability of a randomly selected sample being 2 standard deviations either side of the mean is (from memory) about 5%. 1.96 sigma rings a bell.
Peer comment(s):
agree MatthewLaSon : That sounds right.
54 mins
agree Tony M
4 hrs
agree Shog Imas : http://davidmlane.com/hyperstat/A16252.html
5 hrs
agree Caroline Mackay-Sim (X) : yes, but I would get rid of "uncertainty" in favour of +/- 2 standard deviations
8 hrs
Maybe, but this would have to assume this is a 2-sided test. It probably is, but can we be sure?
agree John Fossey : Uncertainty is correct, thats what the sentence is about - incertitude. Standard deviation is the quantification of uncertainty.
13 hrs
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4 KudoZ points awarded for this answer. Comment: "Thanks so much for your help!"
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