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 ...

Discover why investors prefer the geometric mean for assessing portfolio performance due to its compounding effect, and learn how it differs from the arithmetic mean.

A. M. Fink and Max Jodeit, Jr. It is shown that the arithmetic mean of $x_1 w_1,\ldots, x_n w_n$ exceeds the geometric mean of $x_1,\ldots, x_n$ unless all the $x$'s ...

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 ...

This is a preview. Log in through your library . Journal Information Rocky Mountain Journal of Mathematics publishes both research and expository articles in mathematics, and particularly invites well ...