io9.com's "Packages sealed with "Atheist" tape go missing 10x more often than controls" on May 08, 2013 applied statistics chi-square graphs and charts hypothesis testing multiculturalism p-value repeated measure t-test research methods sampling scientific method source material +
Jess Hagy's "This is Indexed" on May 06, 2013 blogosphere correlation distributions graphs and charts humor r^2 +