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 ...

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 ...

First in a series. We asked ChatGPT which method is the best for examining portfolio returns. Then we asked our expert. Editor’s note: Today, we begin a new series in which we ask ChatGPT questions ...

Four estimates of the current process average are compared in the situation when measurements are made at equal intervals of time and two types of variance components, σ 2 2, the variance of a ...

The GEOMEAN and HARMEAN are advanced statistical functions that typically require a deeper understanding of mathematics. This is probably why they aren't taught as often as the AVERAGE function.