It’s as simple as.. s = \sqrt{\frac{1}{N-1} \sum_{i=1}^N (x_i – \overline{x})^2} Reply to this comment
Math is so sexist.
The moon is.
Oops. It must be time to go back to work.
It’s as simple as.. s = \sqrt{\frac{1}{N-1} \sum_{i=1}^N (x_i – \overline{x})^2}