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Updated 2026-03-07 UTC
Statistics Hub — Tables, Tests, Effect Sizes, Power — GetCalcMaster
Reference tables and step-by-step statistics guides: z table, t table, chi-square critical values, confidence intervals, effect sizes, power & sample size, regression interpretation, and multiple comparisons.
This hub collects practical statistics references and workflows: distribution tables, hypothesis tests, effect sizes, power/sample size planning, regression interpretation, and multiple-comparisons corrections.
Important: Educational use only. Always cross‑verify important results.
What you’ll find in this hub
- Distribution reference tables (Z, t, χ² critical values)
- Test workflows (t-test, χ² tests, two-proportion tests)
- Effect sizes (Cohen’s d, Hedges’ g, η², odds ratio)
- Power & sample size planning (quick approximations + sanity checks)
- Regression output interpretation (coefficients, R², assumptions)
- Multiple comparisons and false discovery rate (FDR) methods
Tools
Core guides
Z table (standard normal)
Lookup Φ(z) values.
t table (critical values)
Common two-tailed α columns.
Chi-square critical values
Right-tail χ² critical values.
Effect size (overview)
Pick the right effect size for your study.
Power & sample size (overview)
Planning checklist + quick formulas.
Multiple comparisons (overview)
Bonferroni, Holm, BH/FDR.
F Table (Critical Values)
Right-tail F critical values used in ANOVA/regression.
Tukey HSD q Table
Studentized range critical values for post-hoc tests.
Z Critical Values
Common z* values and tail conventions.
P-value ↔ Z mapping
Quick p-to-z and z-to-p reference.
Explore more
More step-by-step explainers in this topic cluster:
A/B Test Significance — Interpreting p-val…Adjusted R² Calculator — Penalized Fit Met…ANOVA Calculator Guide — One‑Way ANOVA, F…Benjamini–Hochberg Procedure (FDR)Bonferroni Correction Calculator — Adjuste…Chi-Square Distribution Calculator — CDF (…Chi‑Square (χ²) Critical Values TableChi‑Square (χ²) Test Guide — Goodness‑of‑F…Cohen’s d Calculator — Standardized Mean D…Effect Size Calculator (Cohen’s d, Hedges’…Eta Squared (η²) Calculator — ANOVA Effect…F Critical Values Table (F Table)Hedges’ g Calculator — Small‑Sample Correc…Holm–Bonferroni Method — Step‑Down Multipl…Multiple Comparisons Correction — Bonferro…Normal Distribution Calculator — PDF, CDF,…Odds Ratio Calculator (2×2 Table)P-value to Z-score Table — Common p ↔ z Ma…Power Analysis Calculator — Power, Sample…Regression Interpretation Guide — Coeffici…R² Calculator — Coefficient of Determinati…Sample Size Calculator — Planning Checklis…Sample Size for a Mean — Margin of Error F…Sample Size for a Proportion — Margin of E…
FAQ
Why is this hub helpful?
Hubs group related tools and explainers so you can learn faster and search engines can crawl the site without misleading, spammy pages.
Are the results guaranteed to be correct?
No. Tools are for education and exploration. Always cross‑verify inputs, units, and assumptions—especially for decisions.
Tip: If you’re learning, keep your assumptions and intermediate steps in Notebook.