Jambmaths question:
|
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.
Option A:
20
Option B:
25
Option C:
30
Option D:
35
Jamb Maths Solution:
$\begin{align} & \text{The total number of people is } \\ & 3+5+1+1+2+3=15 \\ & \text{The median class is }\frac{n+1}{2}th=\frac{15+1}{2}=8th \\ & \text{So the median age is 25} \\\end{align}$
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