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

Learn how to find the p value starting with the general process and then a step-by-step example showing the calculations.

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

Nov 17, 2025 · Scientists and statisticians use large tables of values to calculate the p value for their experiment. These tables are generally set up with the vertical axis on the left …

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 …

Jul 27, 2025 · A p-value is a statistical metric used to assess a hypothesis by comparing it with observed data. This article delves into the concept of p-value, its calculation, interpretation, …

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 …

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

Oct 2, 2025 · How Is P-Value Calculated? P-values are usually calculated using statistical software or p-value tables based on the assumed or known probability distribution of the …

May 3, 2025 · When analyzing data, one of the most important questions is: “Is this result statistically significant?” That’s where the p-value comes in. It helps determine whether an …