This online, interactive lesson on expected value provides examples, exercises, and applets in which students will explore relationships between the expected value of real-valued random variables and the center of the...

Created by Lang Moore and David Smith for the Connected Curriculum Project, the purposes of this module are to experiment with Taylor and Laurent series commands in a computer algebra system and to explore the behavior...

This site, presented by the Department of Statistics at Yale University gives an explanation, a definition and an example of random variables including discrete and continuous. It also defines a density curve. Overall,...

With a development team that includes several well-regarded mathematicians and other such folk, the S.O.S. Mathematics website is a high-quality resource for persons who might find themselves in need of a bit of...

This site, presented by Statistics Canada, is a section from "Statistics: Power from Data!" on variable classification. It discusses categorical and numerical variables and their types. The site discusses these...