The arithmetic mean of the following frequency distribution of number of members in family in the society
| X: | 3 | 5 | 6 | 8 | 9 | 10 |
| Frequency: | 1 | 4 | 2 | 1 | 3 | 2 |
is
1
4.923
2
6.923
3
7.923
4
5.923
The arithmetic mean of the following frequency distribution of number of members in family in the society
| X: | 3 | 5 | 6 | 8 | 9 | 10 |
| Frequency: | 1 | 4 | 2 | 1 | 3 | 2 |
is