Online Test — Line Plots & Mean
10 Questions • 30 min • Chapter MCQ
30:00
Question 1 of 10
easy
Find mean: 10, 20, 30, 40
20
25
30
35
Explanation: Sum=100, 100÷4=25
Question 2 of 10
easy
Find median: 3, 7, 2, 9, 5
3
5
7
6
Explanation: Order:2,3,5,7,9 → middle=5
Question 3 of 10
easy
Find mode: 2, 4, 2, 6, 2, 8
2
4
6
8
Explanation: 2 appears 3 times (most)
Question 4 of 10
easy
Test scores: 70, 85, 90, 75, 80. Mean?
78
80
82
85
Explanation: Sum=400, 400÷5=80
Question 5 of 10
medium
Find median: 12, 8, 15, 6, 10, 14
10
11
12
13
Explanation: Order:6,8,10,12,14,15 → (10+12)/2=11
Question 6 of 10
medium
Find mode: 5, 5, 6, 7, 7, 7, 8
5
6
7
8
Explanation: 7 appears 3 times
Question 7 of 10
medium
Mean of 6 numbers is 12. Sum?
60
72
66
54
Explanation: 12×6=72
Question 8 of 10
medium
Find mean: 15, 25, 35, 45
25
30
35
40
Explanation: Sum=120, 120÷4=30
Question 9 of 10
medium
Data: 1, 1, 2, 3, 5, 8. Median?
2
2.5
3
5
Explanation: Order already, (2+3)/2=2.5
Question 10 of 10
medium
A set has no mode. Which could it be?
2,2,3
1,2,3
1,1,2
3,3,4
Explanation: All different numbers = no mode