P-value Calculator

Calculate statistical significance and p-values for various hypothesis tests

Test Configuration

Set up your statistical hypothesis test parameters

P-value Interpretation Guide

p < 0.001: Very strong evidence against H₀
0.001 ≤ p < 0.01: Strong evidence against H₀
0.01 ≤ p < 0.05: Moderate evidence against H₀
0.05 ≤ p < 0.10: Weak evidence against H₀
p ≥ 0.10: Little or no evidence against H₀

Common Applications

  • Medical research and clinical trials
  • Quality control and manufacturing
  • A/B testing in marketing
  • Social science research
  • Educational assessment
  • Environmental studies
  • Financial analysis
  • Scientific experiments