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JAMB Mathematics 2013 Paper
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© africaexams.com
Question : 25
Total: 47
Age
20
25
30
35
40
45
No. of people
3
5
1
1
2
3
Calculate the median age of the frequency distribution in the table above
25
30
35
20
Validate
Solution:
N =
∑
f
= 15
Hence the median age is the
N
+
1
2
th age, i.e.
15
+
1
2
th = 8th
From the table, the age that falls on the 8th position when arranged in ascending order is 25years
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