Tested with Safari, Chrome and Firefox.

>_Quick Statistics Tools

Find basic statistic values for a given dataset (eg. comma-delimited list of numbers):
Take a look at something more sophisticated for discovering a (linear) relationship between two variables

Download Javascript library
Download (right-click 'save as') tests for JsUnit

>_Technical Note

This Javascript implementation has been purposely designed with a pseudo-classical approach as part of a learning journey in prototypal programming.
Naturally, much can be said, and much has- but for now, i just code and share it with you here. An equivalent port using more of pure protoypal approach can be downloaded here.