Mathematics
Grade 8
15 min
Quartiles
Quartiles
Tutorial Preview
1
Find the quartiles for the data set: 2, 5, 6, 8, 11, 12, 15.
2
Find the quartiles for the data set: 3, 4, 7, 9, 10, 14, 16, 18.
3
Find the Interquartile Range (IQR) for: 10, 20, 25, 30, 40, 45, 50, 60.
Sample Practice Questions
Easy
What is the median (Q2) of this data set? 1, 3, 5, 7, 9.
0.3
1.5
2.7
3.9
Easy
What is the lower quartile (Q1) of this data set? 10, 20, 30, 40, 50.
0.10
1.15
2.20
3.25
Easy
What is the lower quartile (Q1) of this data set? 10, 20, 30, 40, 50, 60, 70.
0.10
1.20
2.30
3.35
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