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 ...

An unfortunate misinterpretation of Canadian case law has discouraged appraisers from using the arithmetic mean to average sale values. Appraisers should have no reservations about averaging sales ...