MUO on MSN

They don't teach these mean Excel functions in school but they're super handy

However, this might not always give you an accurate average, which is where functions like GEOMEAN and HARMEAN come in.The GEOMEAN and HARMEAN are advanced statistical functions that typically require ...
Ars Technica

Finding Median Value From an array. In PHP. (Why doesn't SQL Server have a median function?)

//Need to get the mid point of array. Use Floor because we always want to round down. $mid = floor($count/2); //If there are an even amount of elements... if (($count ...