MATHEMATICS 10
Quarter 4
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Week 1 Worksheet
Illustrate the Measures of Position:
Quartiles, Deciles, and Percentiles of Ungrouped Data
Direction: Identify the scores that illustrate the following position. Use linear interpolation.
The list shows the scores of 40 students in their 15-item test.
5
13
6
6
1. 𝑄1
2. 𝐷2
3. 𝑄3
4. 𝑃20
5. 𝐷5
6. 𝐷8
7. 𝑃40
8. 𝐷9
9. 𝑃50
10. 𝑃70
8
8
12
7
3
9
14
10
1
12
15
9
2
15
6
10
9
4
11
9
4
12
3
13
10
11
5
14
15
8
3
14
12
7
9
13