La fréquence est une variable

RCNV chap 2

Quiz
•
Business
•
12th Grade
•
Medium
julia bouslama
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculer la fréquence équivaut à calculer la part d'un effectif.
Vrai
Faux
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Contrairement aux variables qualitatives, les variables quantitatives sont mesurables.
Vrai
Faux
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pour calculer le taux d'évolution, on utilise la formule:
Taux de croissance = [(V0 – V1) / V1] × 100
Taux de croissance = [(V1 – V0) / V0] × 100
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La représentation graphique via un diagramme circulaire a pour objectif de:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Comment peut-on représenter graphiquement une série chronologique?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dans la méthode de Mayer, la droite de tendance a pour équation :
y = ax + 2b
y = ax
y = ax + b
y = a + x + b
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