Questions on Quartiles
Multiple choice questions for Grade 6, focused on understanding and applying quartiles in real-world, data-based problems. Each question has five options (A–E). At the end, you'll find an answer key with clear explanations.
Grade 6 – Quartiles
20 Multiple Choice Questions with Realistic Contexts
Questions
1. The test scores of 9 students are:
72, 85, 91, 88, 95, 77, 80, 90, 86
What is the median (Q2)?
A) 80
B) 85
C) 86
D) 88
E) 90
2. The number of pages read by 11 students last week were:
30, 45, 20, 25, 60, 55, 40, 50, 35, 65, 70
What is the lower quartile (Q1)?
A) 30
B) 35
C) 40
D) 25
E) 45
3. In a race, the runners’ times (in minutes) were:
18, 21, 25, 20, 19, 22, 24
What is the upper quartile (Q3)?
A) 22
B) 24
C) 25
D) 23
E) 21
4. Daily temperatures (°F) for 9 days were:
60, 62, 65, 68, 66, 70, 64, 67, 63
What is the median (Q2)?
A) 65
B) 66
C) 67
D) 68
E) 64
5. The number of goals scored in 7 soccer games:
2, 3, 1, 4, 5, 2, 3
What is the lower quartile (Q1)?
A) 1
B) 2
C) 3
D) 2.5
E) 1.5
6. A bakery sold the following numbers of cupcakes in 10 days:
23, 30, 25, 35, 28, 40, 31, 34, 27, 32
What is Q3?
A) 34
B) 32
C) 31
D) 35
E) 30
7. A student recorded the number of minutes spent on homework for 9 days:
45, 50, 35, 40, 55, 60, 30, 50, 45
What is Q1?
A) 35
B) 40
C) 45
D) 50
E) 30
8. Scores on a quiz out of 10:
6, 7, 9, 5, 8, 7, 10
What is Q3?
A) 8
B) 9
C) 10
D) 7
E) 7.5
9. A group of students measured the heights of their plants in cm:
12, 15, 14, 18, 17, 13, 19, 16, 20
What is the median (Q2)?
A) 16
B) 15
C) 17
D) 18
E) 14
10. Books read by students in a month:
3, 4, 2, 5, 6, 1, 4
What is Q1?
A) 1
B) 2
C) 3
D) 4
E) 2.5
11. Scores on a spelling test out of 20:
14, 15, 16, 18, 17, 20, 19, 13, 12
What is Q3?
A) 17
B) 18
C) 19
D) 20
E) 16
12. The number of apples collected by students:
10, 12, 9, 15, 14, 13, 11
What is Q1?
A) 10
B) 11
C) 12
D) 9
E) 10.5
13. Travel times (in minutes):
22, 25, 27, 30, 24, 29, 26
What is the median (Q2)?
A) 26
B) 27
C) 25
D) 24
E) 28
14. The weights (in kg) of dogs at a shelter:
8, 10, 12, 15, 14, 11, 13
What is Q3?
A) 13
B) 14
C) 15
D) 12
E) 11.5
15. Weekly allowance amounts in dollars:
5, 10, 15, 20, 25, 30, 35
What is Q1?
A) 10
B) 12.5
C) 15
D) 17.5
E) 20
16. Class quiz scores out of 10:
7, 5, 9, 6, 10, 4, 8
What is Q2?
A) 6
B) 7
C) 8
D) 7.5
E) 9
17. Hours of screen time in a week:
8, 12, 10, 14, 15, 9, 13
What is Q3?
A) 13
B) 14
C) 15
D) 12
E) 10
18. Steps walked in thousands:
4, 5, 6, 8, 7, 5, 9
What is Q1?
A) 5
B) 4
C) 6
D) 7
E) 5.5
19. Minutes spent on exercise each day:
25, 30, 20, 15, 35, 40, 45
What is Q3?
A) 35
B) 40
C) 45
D) 30
E) 25
20. Water consumed daily in cups:
6, 8, 5, 7, 10, 9, 11
What is Q2 (median)?
A) 8
B) 7
C) 9
D) 10
E) 6
- Questions on Fractions with Different Denominators
- Questions on Addition and Subtraction with Time
- Questions on Elapsed Time
Answer Key & Explanations
Q# |
Answer |
Explanation |
|---|---|---|
1 |
B) 85 |
Ordered: 72, 77, 80, 85, 86, 88, 90, 91, 95 → Median = 85 |
2 |
B) 35 |
Ordered: 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70 → Q1 = median of first 5 = 35 |
3 |
B) 24 |
Ordered: 18, 19, 20, 21, 22, 24, 25 → Q3 = median of upper half = 24 |
4 |
B) 66 |
Ordered: 60, 62, 63, 64, 65, 66, 67, 68, 70 → Median = 66 |
5 |
B) 2 |
Ordered: 1, 2, 2, 3, 3, 4, 5 → Q1 = median of 1, 2, 2 = 2 |
6 |
A) 34 |
Ordered: 23, 25, 27, 28, 30, 31, 32, 34, 35, 40 → Q3 = median of last 5 = 34 |
7 |
B) 40 |
Ordered: 30, 35, 40, 45, 45, 50, 50, 55, 60 → Q1 = median of first 4 = 40 |
8 |
B) 9 |
Ordered: 5, 6, 7, 7, 8, 9, 10 → Q3 = median of last 3 = 9 |
9 |
A) 16 |
Ordered: 12, 13, 14, 15, 16, 17, 18, 19, 20 → Median = 16 |
10 |
C) 3 |
Ordered: 1, 2, 3, 4, 4, 5, 6 → Q1 = median of first 3 = 3 |
11 |
C) 19 |
Ordered: 12, 13, 14, 15, 16, 17, 18, 19, 20 → Q3 = 19 |
12 |
A) 10 |
Ordered: 9, 10, 11, 12, 13, 14, 15 → Q1 = median of 9, 10, 11 = 10 |
13 |
A) 26 |
Ordered: 22, 24, 25, 26, 27, 29, 30 → Median = 26 |
14 |
B) 14 |
Ordered: 8, 10, 11, 12, 13, 14, 15 → Q3 = median of last 3 = 14 |
15 |
A) 10 |
Ordered: 5, 10, 15, 20, 25, 30, 35 → Q1 = 10 |
16 |
B) 7 |
Ordered: 4, 5, 6, 7, 8, 9, 10 → Median = 7 |
17 |
B) 14 |
Ordered: 8, 9, 10, 12, 13, 14, 15 → Q3 = 14 |
18 |
A) 5 |
Ordered: 4, 5, 5, 6, 7, 8, 9 → Q1 = 5 |
19 |
B) 40 |
Ordered: 15, 20, 25, 30, 35, 40, 45 → Q3 = 40 |
20 |
A) 8 |
Ordered: 5, 6, 7, 8, 9, 10, 11 → Median = 8 |
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