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 ...

The simple definition of a mean is that of a numeric quantity which represents the center of a collection of numbers. Here the trick lies in defining the exact type of numeric collection, as beyond ...

The simplest way to find the average (mean) of a set of numbers is to use the AVERAGE function. This calculation gives you the arithmetic mean, which sums up all the numbers and divides the result by ...