This article, created by B. Dudley of Keele University, describes how an environmental science class became involved in a study to confirm the hypothesis that weeds are distributed at random in well established lawns....

Created by Robert Jernigan of American University (Washington, D.C.), this article describes how to make a physical model of the normal distribution and use it to illustrate the concepts of sampling distributions,...

The page will calculate the following: exact binomial probabilities, approximation via the normal distribution, approximation via the poisson distribution. This page will calculate and/or estimate binomial probabilities...

This article, created by authors B.C. Lyon and M.W. Maxfield of Louisiana Tech University, describes a hands-on class activity for understanding the bivariate normal distribution by constructing a three-dimensional...

Using cooperative learning methods, this lesson introduces distributions for univariate data, emphasizing how distributions help us visualize central tendencies and variability. Students collect real data on head...