# the ratio of two sd’s

## French translation: le rapport de deux écart-types

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 18:44 Sep 11, 2006
English to French translations [PRO]
Science - Mathematics & Statistics
 English term or phrase: the ratio of two sd’s A confidence interval for the ratio of two sd’s will help us to determine if the variabilities from the two data sets are different. 1)sd (standard deviation)= écart-type ou variance? L'écart-type est la racine carré de la variance et s'exprime de la même mesure que les données (corrigez moi si je me trompe!!). Lequel des deux termes est plus appropié? 2)je n'arrive sincèrement pas à comprendre le genitif du sd... 3) "ratio" ici c'est bien quotient??? Merci!! :)
 Local time: 08:40
 French translation:le rapport de deux écart-types Explanation:-
Selected response from:

Chantal Kamgne
Local time: 02:40
 Merci ! ça repond parfaitement à ma question :)4 KudoZ points were awarded for this answer

3 +2le rapport de deux écart-types
 Chantal Kamgne
4la proportion entre le deux écarts standard
 Johannes Gleim

Discussion entries: 5

28 mins   confidence:
la proportion entre le deux écarts standard

Explanation:
standard deviation = mean square deviation =
écart quadratique moyen, écart type, écart standard

ratio = rapport, proportion

(Ernst, Comprehensive Dictionary of Engineering and Technology, English - French)

 Johannes GleimLocal time: 08:40Native speaker of: GermanPRO pts in category: 4

1 hr   confidence: peer agreement (net): +2
le rapport de deux écart-types

Explanation:
-

 Chantal KamgneCanadaLocal time: 02:40Native speaker of: FrenchPRO pts in category: 8
 Merci ! ça repond parfaitement à ma question :)

agree  Tony M: le rapport ENTRE deux...; you can indeed have a confidence interval for a ratio...
 11 hrs
-> Merci, Tony

agree  danièle davout: www.clermont.cemagref.fr/gr/these%20L-Agioux.pdf
 3 days15 hrs

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