
ÔN TẬP THỐNG KÊ
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
Vy Le
Used 1+ times
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17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Độ rộng của nhóm [50; 60) là
10
5
15
20
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Giá trị đại diện của nhóm [50; 60) là
10
50
55
60
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tần số tương đối của nhóm [50; 60) là
10%
50%
55%
30%
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Nếu ghép các số liệu thành 5 nhóm có độ dài bằng nhau thì độ rộng của mỗi nhóm là bao nhiêu?
5
8
10
2
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Tần số của nhóm [165; 170) là bao nhiêu?
7
8
13
5
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Có bao nhiêu người tham gia hội nghị?
100
120
150
160
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tần số của nhóm [45;55) là bao nhiêu?
54
46
42
42
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