Chapter 11

Test Runner

Run all five basic statistical tests on your own data. Enter numbers, get a complete result — test statistic, p-value, effect size, CI, and a copy-paste report line. Plus a Critical Value & p-value Finder — the live version of Appendix B.

One-Sample t-Test

Is the mean of my sample different from a known reference value?

Complete Reporting Standard

Every result requires: descriptive stats + test statistic (with df) + p-value + effect size + 95% CI. The p-value alone is never sufficient.

One-sample t: mean ± SD; t(df); p; 95% CI for mean
Independent t: mean1 ± SD1 vs mean2 ± SD2; Δ [CI]; t(df); p; d
Paired t: mean diff ± SD; Δ [CI]; t(df); p; d_z
Chi-squared: events/N per group; ARR [CI]; OR [CI]; χ²(df); p
Correlation: r or rₛ [CI]; p; n; r²