Web site for statistical computation; probability; linear correlation and regression; chi-square; t-procedures; t-tests; analysis of variance; ANOVA; analysis of covariance; ANCOVA; parametric; nonparametric; binomial; normal distribution; Poisson distribution; Fisher exact; Mann-Whitney; Wilcoxon; Kruskal-Wallis; Richard Lowry, Vassar College
The Pew Global Attitudes Project, directed by Andrew Kohut, is a series of worldwide public opinion surveys that encompasses a broad array of subjects ranging from people’s assessments of their own lives to their views about the current state of the world and important issues of the day. More than 200,000 interviews in 57 countries have been conducted as part of the project’s work.
GenderStats through the World Bank is "a compilation of data on key gender topics from national statistics agencies, United Nations databases, and World Bank-conducted or funded surveys. Continuously updated."