Age in years | 10 - 14 | 15 - 19 | 20 - 24 | 25 - 29 | 30 - 34 |
Frequency | 6 | 8 | 14 | 10 | 12 |
In which group is the upper quartile?
15 - 19
20 - 24
25 - 29
30 - 34
Correct answer is C
The upper quartile occurs at the 3N4 position.
= 3×504=37.5
This occurs in the class 25 - 29.
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