Teaching REET Mock Test Series 2024-25 Level 1 & 2 (Hindi-Sanskrit-English) Quantitative Aptitude Elementary Statistics
The mean of nine observations is 12. If eight observations are 8, 9, 10, 11, 11,12,15, 16. Find the remaining one observation.
1
15
2
16
3
18
4
17
5
Question Not Attempted