Spearman Correlation Table
Spearman Correlation Table provides critical values for Spearman’s rank correlation coefficient (ρ), helping determine the statistical significance of relationships between ranked variables across different sample sizes and significance levels.
Tukey's Q Table
Tukey's Q Table provides critical q values for performing Tukey’s Honestly Significant Difference (HSD) test, helping determine whether differences between group means are statistically significant across various significance levels and degrees of freedom.
Wilcoxon Signed-Rank Table
Wilcoxon Signed-Rank Table provides critical W values for determining the statistical significance of paired-sample differences in the Wilcoxon signed-rank test across different sample sizes and significance levels.
Pearson Correlation Table
Pearson Correlation Table provides critical r values for determining the statistical significance of Pearson correlation coefficients across different degrees of freedom and significance levels.
Mann-Whitney U Table
Mann-Whitney U Table provides critical values for comparing two independent samples using the non-parametric Mann-Whitney U test across different sample sizes and significance levels.
Poisson Distribution Table
Poisson Distribution Table provides probability values for discrete rare events using λ (lambda) and x values for probability and cumulative calculations.
Dunnett’s Table
Dunnett’s Table provides critical values to compare multiple treatments with a control after ANOVA using k, df, and α levels (0.10, 0.05, 0.01).
Binomial Distribution Table
Complete binomial table showing exact P(X = k) and cumulative P(X ≤ k) for n = 1–20 and p = 0.05–0.95. Includes calculator, PDF download, and step-by-step guide.
Z-Table (Standard Normal)
The complete standard normal distribution table (Z-table). Look up cumulative probabilities for any Z-score from -3.99 to +3.99. Includes left-tail and right-tail variants.
t-Distribution Table
Critical values for the Student's t-distribution. Look up t-values for any combination of degrees of freedom and significance level (α = 0.10, 0.05, 0.01, 0.001).
View TableChi-Square Table
Chi-square critical values for goodness-of-fit tests, independence tests, and confidence intervals for variance. Covers degrees of freedom 1–100.
F Table
F distribution critical values for ANOVA and variance ratio tests. Includes alpha levels 0.10, 0.05, and 0.01, PDF downloads, and an interactive calculator.