
Statistique CST4
Authored by Mathieu Sinigagliese
Mathematics
11th Grade
Used 15+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 2 pts
Quel est le coefficient de corrélation le plus fort parmi les choix suivants:
0,80
-0,85
0,05
-0,5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel coefficient de corrélation représente une corrélation très faible (nulle)
0,2
-0,35
0,48
0,7
-0,91
3.
MULTIPLE CHOICE QUESTION
15 mins • 2 pts
Quelle distribution a la plus faible intensité (corrélation)
Distribution 1
Distribution 2
Distribution 3
Aucune idée!
4.
MULTIPLE CHOICE QUESTION
15 mins • 2 pts
Quel coefficient de corrélation qualifie ce nuage de point?
-0,25
0,25
-0,70
0,70
5.
MULTIPLE CHOICE QUESTION
15 mins • 4 pts
Sachant qu'il y a 125 données. Trouve le rang centile de la donnée 49,4.
39e
40e
76e
77e
6.
MULTIPLE CHOICE QUESTION
15 mins • 4 pts
Quelle est la donnée occupant le 55e rang centile
29
29,4
29,7
29,9
7.
MULTIPLE CHOICE QUESTION
15 mins • 2 pts
Comment qualifier un coefficient de corrélation de -0,8?
Corrélation positive et faible
Corrélation positive et forte
Corrélation négative et faible
Corrélation négative et forte
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