Run t-tests, z-tests, chi-square, and more in seconds. Free, accurate online calculators for hypothesis testing and statistical analysis.

Our Test Statistic Calculator allows you to quickly and accurately compute z-scores, t-values, chi-square statistics, and other key test values—all in one place.

This t-test calculator allows you to use either the p-value approach or the critical regions approach to hypothesis testing! Enter your T-score and the number of degrees of freedom.

This test statistic calculator helps to find the static value for hypothesis testing. The calculated test value shows if there’s enough evidence to reject a null hypothesis.

The easy-to-use hypothesis testing calculator gives you step-by-step solutions to the test statistic, p-value, critical value and more.

Nov 25, 2025 · This t-statistic, t-value, or t-score calculator is a valuable tool for conducting hypothesis testing in statistics. Whether you’re comparing a sample mean to a known …

Here you'll find a set of statistics calculators that are intuitive and easy to use. Included are a variety of tests of significance, plus correlation, effect size and confidence interval calculators.

Choose the right statistical test for your data. Our interactive selector helps you find the appropriate test based on your research question and data characteristics, or browse the …

This calculator uses a two-sample t test, which compares two datasets to see if their means are statistically different. That is different from a one sample t test, which compares the mean of …

The test value calculator transforms the data analysis by simplifying the hypothesis testing. Attach to the guide below to utilize the test statistics calculator.