This program allows the student to explore the nature of sampling distributions of sample means and sample proportions. The software provides separate windows for building population distributions,...
OStats is a simple tool for data visualisation and statistical analysis, particularly aimed at helping students learn statistics.
This set of pages contains statistical material compiled by David C. Howell that may be of interest to both faculty and students. Some of it goes along with his textbooks (Statistical Methods for...
DataFerrett is a unique data analysis and extraction tool?with recoding capabilities?to customize federal, state, and local data to suit your requirements. Using DataFerrett, you can develop an...
The program CenLimit shows the effects of the central limit theorem. The user may select from various distributions to draw different numbers of observations for calculating the means. The...