sur une puissance 1 - β = 90 %

English translation: having a statistical power 1 - β = 90 %

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French term or phrase:	sur une puissance 1 - β = 90 %
English translation:	having a statistical power 1 - β = 90 %
Entered by:	mediamatrix (X)

19:50 Mar 31, 2009

French to English translations [PRO]
Science - Mathematics & Statistics / Statistical Analysis

French term or phrase: sur une puissance 1 - β = 90 %

This is one very technical sentence in an otherwise very straightforward text on cosmetic testing.
I've put puissance in the term box, but really I would just like feedback from anyone who knows something about statistical analysis as to whether my translation is way off the mark or not. I realize it is more than 10 words, but I am not asking for a retranslation, simply a brief comment if you see something terribly wrong.
Thanks very much!

En se basant sur une différence Δ de 8,9 sur le critère principal d'efficacité (nombre de lésions totales) entre le groupe RV2413E et le groupe concurrent, sur un écart-type commun égal à 17,2, sur un risque α de 5%, sur une puissance 1 - β = 90 %, avec un test bilatéral, le nombre de sujets calculé est de 80 par groupe.

On the basis of a difference Δ of 8.9 on the main efficacy criterion (total number of lesions) between the group XXXXXXX and the concurrent group, of a shared standard deviation of 17.2, of a risk α of 5%, of a power 1 - β = 90%, with a bilateral test, the number of subjects calculated is 80 per group.

French Foodie KudoZ activity Questions: 424 (none open) (8 closed without grading) Answers: 426
Local time: 08:48

having a statistical power 1 - β = 90 %

Explanation:
Although 'power' alone would be sufficient for a statistician given the context and the mention of '1 - β', it would be helpful to other readers to put the fuller expression 'statistical power', to avoid possible confusion with power-law distributions and other such stuff.

See http://en.wikipedia.org/wiki/Statistical_power

Selected response from:

Jennifer Levey
Chile
Local time: 02:48

Grading comment

Thanks very much, and to Tony for pointing out 'common' as well.
4 KudoZ points were awarded for this answer

Summary of answers provided

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having a statistical power 1 - β = 90 %

Jennifer Levey

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11 mins confidence:

peer agreement (net): +1

having a statistical power 1 - β = 90 %

Jennifer Levey
Chile
Local time: 02:48
Native speaker of:

English
PRO pts in category: 27

Grading comment

Thanks very much, and to Tony for pointing out 'common' as well.

Notes to answerer

Asker: Thanks so much mediamatrix. This is very helpful, as most the people read this will not be statisticians, so the clearer the better :-)

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sur une puissance 1 - β = 90 %

English translation: having a statistical power 1 - β = 90 %

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sur une puissance 1 - β = 90 %

English translation: having a statistical power 1 - β = 90 %

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