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.
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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.
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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.
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