Investors usually consider the geometric mean a more accurate measure of portfolio performance than the arithmetic mean because it accounts for compounding. Learn more.

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… ...

Somewhere back in your middle school and high school math classes, you no doubt learned about the mean and standard deviation as fairly fundamental concepts in arithmetic and statistics. You also ...