state gov TSPSC DAO (Divisional Accounts Officer) Mock Test 2024 Quantitative Aptitude Elementary Statistics
The mean mark of 100 students was found to be 40. Later on, it was found that a score of 53 was misread as 83. The correct mean corresponding to the correct score is
1
39.7
2
37.9
3
29.7
4
27.9