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The t distribution and tests
Useful R Commands for visualizing the t distribution, making probability calculations, and performing t-tests for a single sample mean, two means for paired data, and two independent means.
Chi-squared Distribution and Tests
Useful R Commands for visualizing the Chi-squared distribution, making probability calculations, and performing goodness-of-fit and contingency table tests.
ANOVA
A first exploration of ANOVA
KickStartChiSq
Chi-squared tests in R