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, this is a wonderful resource for students wanting to learn more about statistics more
An interactive box plot applet, created by Utah State University, that allows users to put in their own data. This is a part of a large collection of platform independent, interactive, Java applets and activities for K-12 mathematics and teacher education. The resource contains five sample data sets more
This article, created by Philip J. Boland and Yudi Pawitan of the National University of Ireland at Dublin, presents data for examining the ability of individuals to choose numbers randomly. Three datasets of six-tuples selected by a lottery game, generated by S-Plus, and chosen by college students more
This site, created by author William M.K. Trochim, describes in detail five different types of random sampling. Some of these types include: simple random, stratified random, systematic random, cluster random, multi-stage sampling. The author provides examples, definitions, and the procedures behind more
"Do not worry about your difficulties in mathematics, I assure you that mine are greater." Einstein, Albert (1879-1955). If you are not Einstein, or are actually having difficulties with mathematics, let this website help. The page contains a wealth of online math resources. Some of these include: b more
Programs for students about to start first and second year courses in Mathematics. Students can test themselves to see whether they are ready for intermediate algebra, college algebra, business calculus, calculus I, II, or III, or ordinary differential equations.
Plexagon is a new modular geometry based on the radial pleating of polygonal plates, and their joining or co-bracing into 3D modules. This engineering approach can form a very practical basis for modular greenhouses (using recycled plastic sheeting) and modular homes (using fibrous and metal sheetin more
Those users who are looking for all things related to the Federal Reserve System will need to look no further than this well-designed and thorough website. Visitors will find a number of links on the left-hand side of the homepage that will take them directly to information about monetary policy, pa more