One silver lining in the madness of the US Presidential election counting is that there are some interesting analyses floating around regarding polling and surveying and probabilities and visualisation. Take this post from Andrew Gelman’s blog, for example: Suppose our forecast in a certain state is that candidate X will win 0.52 of the two-party…

## Standard deviation is over

I first learnt about the concept of Standard Deviation sometime in 1999, when we were being taught introductory statistics in class 12. It was classified under the topic of “measures of dispersion”, and after having learnt the concepts of “mean deviation from median” (and learning that “mean deviation from mean” is identically zero) and “mean…