Statistics Reference
Formula sheets, distribution tables, and notation reference for introductory statistics.
A reference collection for introductory statistics. Formulas are grouped by topic. Distribution tables cover the standard normal, t, chi-square, and F distributions. The appendix lists Greek symbols with their statistical usage.
Formula Reference
- Descriptive Statistics — central tendency, spread, z-scores, outliers
- Probability — rules, discrete distributions, binomial, Poisson
- Normal Distribution — standardization, sampling distributions, CLT
- Confidence Intervals — means, proportions, variance, sample size
- Hypothesis Testing — one-sample z, t, and chi-square tests
- Two-Sample Tests — independent and paired tests, difference of proportions
- Regression and Correlation — Pearson r, least squares, chi-square tests
- ANOVA — one-way and two-way analysis of variance