Mathematics Grade 9 15 min

Quartiles

Quartiles

Tutorial Preview

1

Find the quartiles for the data set: 3, 5, 6, 8, 11, 12, 15

2

Find the quartiles for the data set: 2, 4, 7, 9, 10, 14

3

Find the quartiles for the data set: 1, 5, 6, 8, 11, 15, 18, 20

Sample Practice Questions

Easy
What is the first quartile (Q1) for the data set: 5, 10, 12, 15, 20, 22, 25?
0.5
1.10
2.12
3.15
Easy
What is the third quartile (Q3) for the data set: 1, 2, 3, 4, 5, 6, 7?
0.4
1.5
2.6
3.7
Easy
What is the median (Q2) for the data set: 20, 25, 30, 35, 40?
0.25
1.30
2.32.5
3.35

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