state gov TSPSC Forest Beat Officer (ఫారెస్ట్ బీట్ ఆఫీసర్) Mock Test 2023 Quantitative Aptitude Elementary Statistics
Consider the following distribution:
| Value of the variable | 1 | 2 | 3 | 4 | 5 |
| Frequency | 3 | f | 6 | 5 | 3 |
For what value of f, is the arithmetic mean of the above distribution 3.1?
1
2
2
3
3
4
4
5