Teaching RPSC Assistant Professor Mock Test Series 2024-25 Mathematics Statistics Variance and Standard Deviation
If \(\rm \displaystyle \sum_{i = 1}^{10}x_i = 110\) and \(\rm \displaystyle \sum_{i = 1}^{10}x_i^2 = 1540\) then what is the variance?
1
22
2
33
3
44
4
55
5
Question Not Attempted