STATISTICAL INFERENCE

Critical Value Calculator

Find critical values for hypothesis testing across normal, t, and chi-square distributions

Last updated: March 2026

Critical Value Finder

Distribution

Significance Level (α)

Common values: 0.05 (95%), 0.01 (99%)

Tail Type

CRITICAL VALUE(S)

±1.9600

Lower: -1.9600 / Upper: 1.9600

Decision Rule: Reject H₀ if |test statistic| > 1.9600

Related Tools

Statistical significance test.

Compare sample means.

Student's t test statistic.

Large sample hypothesis test.

Standard score.

Statistical significance.