Created by Dr. Michael P. McLaughlin, this general, introductory tutorial on mathematical modeling (in pdf format) is intended to provide an introduction to the correct analysis of data. It addresses, in an elementary...

This page explores Benford's law and the Pareto Principle (or 80/20 rule). Benford's law may also have a wider meaning if the digits it evaluates are considered ranks or places. The digit's probability of occurring...

Created by George Reese of the University of Illinois at Urbana-Champaign, this resource gives some background on the Buffon's needle problem. The site provides a link to an applet that allows one to simulate dropping a...

This is the description and instructions for the Can You Beat Randomness? : The Lottery Game applet. It is a simulation of flipping coins. Students are asked to make conjectures about randomness and how certain...

This resource, created by author David M. Lane, defines and explains Chi square. It takes the user through 5 different categories: testing differences between p and pi, more than two categories, chi-square test of...