In this activity, students learn the true nature of the chi-square and F distributions in lecture notes (PowerPoint file) and an Excel simulation. This leads to a discussion of the properties of the two distributions....

This article, created by Norton Starr of Amherst College, presents a dataset containing the 1970 draft lottery information, which illustrates a nonrandom procedure. Some of the key concepts covered included: Chi-square...

This tool lets you calculate the probability that a random variable X is in a specified range, for a variety of probability distributions for X: the normal distribution, the binomial distribution with parameters n and p,...

This page, created by Virginia Tech's Department of Statistics, provides users with a myriad of different applets presenting different probability distributions. Some of these include: binomial, Poisson, negative...

This chapter of the NIST Engineering Statistics handbook presents the background and specific analysis techniques needed to compare the performance of one or more processes against known standards or one another.€ It...