The normal distribution is the probability distribution that plots all of its values along a symmetrical bell curve, with the highest probabilities centered around the mean value and tapering out ...

Imagine you're at a fair, and you see a booth with a giant dartboard. The booth owner challenges you to hit the bullseye. You take your shot, and the dart lands somewhere on the board. Now imagine ...

I can only recognize the occurrence of the normal curve … as a very abnormal phenomenon. — Karl Pearson (1901) Widely believed and rarely questioned is the notion that human characteristics, including ...