The term “Standard Deviation” comes up quite a lot in certain types of research papers where statistics are mentioned. As a result, I have to wonder exactly what it tells us, why it is interesting, and how it works.

Thankfully the basic idea is fairly simple, so I don’t need extensive training in statistics to understand what it means. In fact, I just picked up an old copy of a statistics textbook at a second-hand book shop, and it tells me everything I need to know. (And a lot more that I probably don’t!) Read more What is Standard Deviation?