Created by Alan Heckert and James Filliben, this page, part of the National Institute of Standards and Technology (NIST) Engineering Statistics handbook, contains links to web pages describing most of the more commonly...

In this hands-on activity, created by Dex Whittinghill of Rowan University, students count the number of chips in cookies in order to carry out an independent samples t-test to see if Chips Ahoy® cookies have a higher,...

The t-distribution activity is a student-based in-class activity to illustrate the conceptual reason for the t-distribution. Students use TI-83/84 calculators to conduct a simulation of random samples. The students...

This tutorial, created by Thomas W. MacFarland of Nova Southeastern University, explains the theory and use of the Mann-Whitney test and demonstrates it with an example on traditional lecture versus computer-based...

This resource, created by author Will G. Hopkins, defines what a p-value is, why .05 is significant, and when to use it. It also covers related topics such as one-tailed/two-tailed tests and hypothesis testing. Overall,...