Some of the very first notions of statistics to which we are introduced at school surround gathering data in such a way that the sample of the underlying population is “representative” of this

In the last couple of posts, I have written a bit about what a random variable is, and some things we can say about them. These things are interesting to talk about when

For most people, an “average” or “mean” usually refers to a process where you take some number of, say, positive integers, add them up, and then divide through by how many there are.

When I was studying for my undergraduate degree, I attended a course in second year titled "Markov chains," which was lectured by Geoffrey Grimmett. For those who have not enjoyed the lecturing style