state gov TSPSC DAO (Divisional Accounts Officer) Mock Test 2024 Quantitative Aptitude Elementary Statistics
The arithmetic mean of the cumulative frequency distribution is
|
Variable |
1 |
2 |
3 |
4 |
5 |
|
Cumulative frequency |
2 |
11 |
20 |
27 |
30 |
1
3.8
2
2.5
3
3.0
4
11.4