
Indépendance ou dépendances des variables ?
Authored by Aurélien Bain-Thouverez
Mathematics
12th Grade
Used 2+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
34%
36%
39%
42%
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
[21;23]
[22;24]
[20;24]
[21;25]
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Quel est le degré de liberté ?
2
4
6
8
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Quel est le seuil limite pour une probabilité d'indépendance des variables égale à 2%
2
5
10
15
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Combien vaut le khi2 ?
250
270
290
310
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Est-il vrai qu’un enfant ayant passé de nombreuses heures en service de gardes dépend de la réussite sociale de ces parents ?
Oui ces deux variables sont dépendantes.
Non ces deux variables sont indépendantes.
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