state gov TSPSC DAO (Divisional Accounts Officer) Mock Test 2024 Mathematics Statistics Measures of Central Tendency
The mean of the following distribution is 50. The frequencies of classes 20-40 and 60-80 a missing which are respectively f2 and f4
|
Class |
Frequency |
|
0-20 |
17 |
|
20-40 |
f2 |
|
40-60 |
32 |
|
60-80 |
f4 |
|
80-100 |
19 |
|
Total |
120 |
The values of f2 and f4 will be:
1
18, 14
2
28, 24
3
20, 24
4
22, 28