UCLA has a resource on the Internet, the Statistical Online Computational Resource (SOCR), which allows you to do statistical analyses: one-sample t tests, simple linear regression, multiple regression, survival analysis, two-sample t tests, sign tests, rank sum tests, Wilcoxon tests, ANOVA, chi-square tests, Fisher’s exact test, Kolmogorov Smirnoff, run numerical “experiments,” look at and alter probability distributions, make charts and graphs of all sorts.
Beautiful…
