This is my second blog on mean, mode and median in just a week – surely that’s far from average. However, I’ve just been reading about the differences between the arithmetic mean and the geometric ...

In an era driven by complex data, scientists are increasingly encountering information that doesn't lie neatly on flat, ...

In the investment world, it’s common to discuss average rates of return. It’s not sufficient, however, to simply add up historical returns and divide by how many there are. The proper way to calculate ...