Hypothesis Test Calculator

Perform statistical hypothesis tests with automatic p-value calculation and interpretation

Select Test Type

One-Sample t-Test

Test if a sample mean differs from a hypothesized population mean

Help

Test Types Overview
  • One-Sample t-Test: Compare sample mean to known value
  • Two-Sample t-Test: Compare means of two independent groups
  • Paired t-Test: Compare matched pairs or before/after measurements
  • Chi-Square: Test independence in categorical data
  • ANOVA: Compare means across multiple groups
Interpreting Results
  • p-value < α: Reject null hypothesis (significant result)
  • p-value ≥ α: Fail to reject null hypothesis (not significant)
  • Test Statistic: Measure of how far sample is from null hypothesis
  • Degrees of Freedom: Used to determine critical values