
Corrélation et coefficient de corrélation
Authored by Gnaoré Jean Paul Guédé
Mathematics
11th Grade
Used 6+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Quel coefficient de corrélation correspond le mieux au nuage de points suivant?
0,9
0,6
-0,9
-0,6
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Un coefficient de corrélation linéaire de -0,9 correspond à une corrélation:
Positive et faible
Positive et forte
Négative et faible
Négative et forte
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Lequel des coefficients de corrélation linéaire suivants a l'intensité la plus faible?
-0,40
-0,31
-0,97
0,08
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
La corélation linéaire corresponandant au tableau à double entrée suivant est:
Positive et forte
Positive et faible
Négative et forte
Négative et faible
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Quel est le sens de la corrélation linéaire représentée par le nuage de points ci-contre?
Positive
Négative
Forte
Faible
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Estime le coefficient de corrélation linéaire à partir du graphique ci-contre.
-0,48
-0,52
0,52
0,48
7.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Place les coefficients de corrélation linéaires suivants du plus fort au plus faible:
A/ 0,43 B/ -0,77 C/ 0,90 D/ -0,53
B-D-A-C
C-B-D-A
C-A-B-D
A-D-B-C
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