Statistical Tables

Clean, accurate critical-value tables — z, t, chi-square, and F.

Z-Table (Standard Normal)Cumulative Φ(z) for z = 0.00 to 3.49. T-TableStudent's t critical values by degrees of freedom. Chi-Square (χ²) TableCritical values across right-tail areas. F-Distribution TableCritical values for ANOVA at α = 0.05 and 0.01.

Need an exact value for parameters not in the tables? Use the calculators — they compute any distribution precisely with SciPy.