In the C# Programmers Topics PsychoCoder started this thread
and it reminded be of my attempt to achieve this effect a few months back.
Here's what I came up with.
Since it is possible the get the average of IEnumerable(Of Double) by using .Average, it thought lets extend it provide the other statistical functions.
To help me out I do use some of custom helper extension methods to extend IEnumerable(Of T), which then makes them accessible on all IEnumerables.
The general helper extension methods....