
Mesures de tendance centrale
Authored by Vincent Taillefer
Mathematics
9th Grade
Used 6+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quelle est la médiane de la série de 12 données suivantes :
18,3,6,7,9,16,4,7,9,20,18,18
9
4
10
16
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la seule mesure de tendance centrale possible avec les données suivantes :
Couleur - Effectif
Bleu - 12
Noir - 8
Rouge - 3
Vert - 7
Mode
Médiane
Moyenne
Moyenne pondérée
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Si l'on remplace 12 par 13 et 13 par 14 dans la distribution de 9 données ci-contre, laquelle des mesures n'est pas modifiée :
10,11,11,12,12,13,15,15,16.
Mode
Étendue
Médiane
Moyenne
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vrai ou faux, la distribution 1,1,1,2,3,3,3 ne contient pas de mode.
Vrai
Faux
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vrai ou faux, pour calculer la moyenne d'une distribution, les données doivent obligatoirement être placées dans l'ordre croissant.
Vrai
Faux
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vrai ou faux, la médiane peut ne pas faire partie de la distribution
Vrai
Faux
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vrai ou faux, la valeur du mode, de la médiane et de la moyenne de la distribution 4,4,4,4,4 est 4
Vrai
Faux
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