The p-value calculator can help you find the p-value and evaluate how compatible your data is with the null hypothesis.

This is a set of very simple calculators that generate p-values from various test scores (i.e., t test, chi-square, etc).

Free P-value calculator - determine the statistical significance of an observed result in hypothesis testing.

Feb 24, 2025 · This P-value calculator calculates the p-value for Z-tests, t-tests, F-tests, and Chi-Square tests. Enter the test statistic, degrees of freedom, and significance level to calculate the p-value.

Use this calculator to compute a two-tailed P value from any Z score, T score, F statistic, correlation coefficient (R), or chi-square value. Once you have obtained one of these statistics (from a …

Statistical significance calculator to easily calculate the p-value and determine whether the difference between two proportions or means (independent groups) is statistically significant.

Use this P-value calculator to compute exact tail probabilities for common test statistics. It supports Z, t, chi-square (χ²), and F-scores.

Calculator to compute p-value from Z-score or Z-score from p-value for a normal distribution. It also provides a diagram illustrating the area of the p-values.

Free p-value calculator for statistical hypothesis testing. Calculate p-values from z-score, t-score, chi-square, or F-statistic with one-tailed and two-tailed tests.

A p-value calculator is an online tool that computes the probability (p-value) of observing data as extreme as, or more extreme than, your sample results, assuming the null hypothesis is true.