Ap Eapcet
Statistics
AP EAPCET 2025 - 27th May Morning Shift
MCQ+1 / -02025
If $\sum_{i=1}^9\left(x_i-5\right)=9$ and $\sum_{i=1}^9\left(x_i-5\right)^2=45$, then the standard deviation of the nine observations $x_1, x_2, \ldots, x_9$ is
Ap Eapcet
AP EAPCET 2025 - 27th May Morning Shift
If $\sum_{i=1}^9\left(x_i-5\right)=9$ and $\sum_{i=1}^9\left(x_i-5\right)^2=45$, then the standard deviation of the nine observations $x_1, x_2, \ldots, x_9$ is