Answer
$2$ and $0$
Work Step by Step
Consider an example: $x=2,2,2,2,2,2$
Now, we will find.
$\bf{Mean}$$=\dfrac{2+2+2+2+2+2}{6}=2$
Therefore, $\bf{Standard \space Deviation}$$=\dfrac{(2-2)^2+(2-2)^2+(2-2)^2+(2-2)^2+(2-2)^2}{6-1} \\=0$