
Révision corrélation
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
Philippe Bourgeois
Used 13+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Si le rang centile d'une donnée est 99, alors quelle est cette donnée?
157
89
156
90
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Voici les résultats de 14 joueurs de golf. Déterminez le rang centile du joueur qui a obtenu un pointage de 95
126
25
127
75
3.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Qualifiez la corrélation de cette distribution
Positive
Négative
Faible
Forte
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quelle est le coefficient de corrélation de cette distribution?
0.71
Positif moyen
-0.71
72
5.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Quelle est l'équation de la droite de régression qui passe par les points A(-2, -6) et B(4, 27)
(écrit ta réponse sous la forme canonique sans espace)
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Placez ces coefficients de corrélation en ordre décroissant d'intensité
D, B, A, C
A, D, C, B
C, A, B, D
A, D, B, C
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Des chercheurs affirment que selon l'équation de la droite de régression représentant le nuage de points suivant, si on observe 30 écureuils dans un parc, il devrait y avoir 18 chênes dans ce parc. Ont-ils raison d'affirmer cela?
Oui
Non
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