Quels sont les quartiles de cette distribution ? 8, 11, 20, 10, 2, 17, 15, 5, 16, 15, 25, 6

Maths révision sec.3

Quiz
•
Mathematics
•
9th Grade
•
Hard

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Used 4+ times
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48 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Q1 = 15, Q2 = 16, Q3 = 15.5
Q1 = 7, Q2 = 13, Q3 = 16.5
Q1 = 6, Q2 = 13, Q3 = 17
Q1 = 8, Q2 = 13, Q3 = 16
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quelle est l’étendue interquartile de cette distribution ? 4, 5, 6, 8, 9, 11, 13, 16, 16, 18, 20, 21, 25, 30, 31, 33, 36, 37, 40
20
22
36
24
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quelle expression algébrique correspond au résultat de la division suivante ? (14r^4s^10t^3 - 21r^8s^6t^4) ÷ -7r^2s^2t
-2r^2s^8t^2 + 3r^6s^4t^3
-2r^2s^8t^3 - 3r^4s^3t^4
-2r^2s^8t^3 + 3r^4s^3t^4
2r^2s^8t^2 - 3r^6s^4t^3
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sous la forme d’un intervalle, quelles sont les valeurs que peuvent prendre le rayon dans un cylindre à base circulaire dont la circonférence est de moins de 34π cm ?
]-∞,17[
]0,17[
]17,∞[
]0,17]
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Laquelle de ces inéquations représente l'énoncé suivant ? Le cinquième d’un nombre diminué de 12 équivaut au moins à 8.
5x - 12 ≥ 8
5x/12 ≥ 8
x/5 - 12 ≥ 8
x/5 ≤ 8
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Les caractéristiques d'une distribution sont les suivantes : le mode est 5; la médiane est 5; la moyenne est 7; l'étendue est 5. Laquelle des distributions ci-dessous correspond à ces caractéristiques?
5, 5, 5, 10, 10
3, 4, 5, 5, 8
2, 4, 6, 6, 7
0, 5, 5, 5, 10
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quelle est l'équation de la droite qui passe par les points suivants : P (6, 1) et Q (-10, 9)
y = -1/2 x + 4
y = -2x + 8
y = -1/2 x - 2
y = -2x + 13
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