When a group data is involved, cumulative frequency is used. The formula will be:
Median=[(N+1)/2]th
For member of odd number items. That is, where N is odd
Median=([N/2[N/2+1]th)/2
For member of odd number items. That is, where N is odd
Solution:
| X |
8 |
10 |
12 |
16 |
18 |
20 |
24 |
| F |
2 |
1 |
4 |
3 |
3 |
1 |
6 |
| Cumulative Frequency |
2 |
3 |
7 |
10 |
13 |
14 |
20 |
When a group data is involved, cumulative frequency is used. The formula will be:
Median=[(N+1)/2]th
For member of odd number items. That is, where N is odd
Median=([N/2[N/2+1]th)/2
For member of odd number items. That is, where N is odd
Solution: