engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Quantitative Aptitude Elementary Statistics
If the variance of 5 values is 0.81, then what is its standard deviation?
1
0.09
2
0.9
3
2.7
4
0.27
If the variance of 5 values is 0.81, then what is its standard deviation?