This module, created by Kathy Rowell of Sinclair Community College, will focus on frequencies and percentages as well as corresponding bar charts and pie graphs. It will examine how variables such as race, age, gender,...

This page, created by Richard Lowry of Vassar College, performs a "Kolmogorov-Smirnov goodness of fit test" for categorical data. Users enter observed frequencies and expected frequencies for up to eight mutually...

The controls on this applet let you change the number of trials, the probability of success in each trial, and toggle between viewing either the difference between the number of successes and the expected number of...

This article, created by faculty members at Grand Valley State University, provides a data collection and analysis activity for illustrating simple linear regression and outlier analysis. The activity was designed to...

This site contains materials for a college level undergraduate statistics course. The approach places emphasis on practical application. Examples are shown with hand computations and with the Minitab statistical program...