Hypothesis Test Calculator

Perform z-tests, t-tests, and proportion tests with reject/fail decisions

Choose the type of hypothesis test based on your data and what you know about the population.

Test Results

Test Statistic
P-Value
Critical Value(s)
Degrees of Freedom
Standard Error
Z-Test: z = (x-bar - mu0)/(sigma/sqrt(n))
T-Test: t = (x-bar - mu0)/(s/sqrt(n)), df = n-1
Proportion: z = (p-hat - p0)/sqrt(p0*(1-p0)/n)