Created by David Lane of Rice University, this applet simulates experiments using 2 x 2 contingency tables. You specify the population proportions and the sample size and examine the effects on the probability of...

This page, created by Ino Dinov of the University of California, Berkeley, provides links to distribution calculators, conceptual demonstration applets, statistical tables, online data analysis packages, function and...

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...

The applet allows users to sample from a normal distribution or from a uniform distribution. It shows the expected values and the observed values and computes the deviation. Then, a chi-square test shows if the...

The eighth chapter of an online Introduction to Biostatistics course created by the faculty at the University of Massachusetts - Amherst. Lecture notes are provided and links for additional reading and exercises with...