Calculate the mean deviation from the median of the following data:
| Class interval | 0-6 | 6-12 | 12-18 | 18-24 | 24-30 |
| Frequency | 4 | 5 | 3 | 6 | 2 |
1
2
2
5
3
7
4
4
Calculate the mean deviation from the median of the following data:
| Class interval | 0-6 | 6-12 | 12-18 | 18-24 | 24-30 |
| Frequency | 4 | 5 | 3 | 6 | 2 |