Calculator Topic

Hypothesis Test

Explore our hypothesis test calculators for testing population means, proportions, variances, correlations, and relationships between categorical variables. Choose from z tests, t tests, ANOVA, chi-square tests, Fisher’s exact test, F tests, and supporting p-value and critical-value calculators, all with clear results and step-by-step solutions.

Calculators in This Topic

21 tools

ANOVA Calculator

Use this ANOVA calculator to test whether the means of two or more independent groups differ significantly using raw or summary data....

Chi Square Goodness of Fit Calculator

Use this chi-square goodness-of-fit calculator to compare observed category counts with an expected distribution using raw or summary data. It provides the...

Chi-square (χ²) Critical Value Calculator

Find left-tailed, right-tailed, or two-tailed chi-square critical values by entering the significance level, α, and degrees of freedom, df. Get instant results...

Chi-Square Test Calculator

Use this chi-square test calculator to test whether two categorical variables are significantly associated using raw data or an observed contingency table....

Correlation Coefficient Calculator

Use this correlation coefficient calculator to measure the strength and direction of the linear relationship between two quantitative variables. It returns Pearson’s...

Correlation r Critical Value Calculator

Find the critical r value for a one-tailed or two-tailed Pearson correlation test using the significance level and sample size.

Degrees of Freedom Calculator

Calculate degrees of freedom for t tests, chi-square tests, ANOVA, correlation, regression, and F tests, with clear formulas and step-by-step solutions for...

F Test Calculator

Use this F test calculator to compare the variances of two independent populations using raw or summary data. Get the F statistic,...

F-Critical Value Calculator

Find the right-tailed f-critical value for the most common F-tests such as ANOVAs, Regression, MANOVA, variance tests. Get instant answer with a...

Fisher’s Exact Test Calculator

Use this Fisher’s exact test calculator to test whether two categorical variables are associated in a 2 × 2 contingency table. It...

One Proportion Z Test Calculator

Use this one proportion z test calculator to test a population proportion using summary or raw binary data and find the z...

One-Sample T-test Calculator

Use this one-sample t-test calculator to test a population mean using raw or summary data and find the t statistic, p-value, critical...

One-Sample Z-Test Calculator

Perform a one sample z test using summary data or raw data when the population standard deviation is known, and get the...

P Value Calculator

Find p-values from z scores, t statistics, chi-square statistics, F statistics, and correlation coefficients. Get left-tailed, right-tailed, and two-tailed p values with...

Paired T Test Calculator

Use this paired t test calculator to compare two related measurements using raw or summary data. Get the t statistic, p-value, critical...

T Critical Value Calculator

Find left-tailed, right-tailed, or two-tailed t critical values by entering the significance level, α, and degrees of freedom, df. Get instant results...

Two Proportion Z Test Calculator

Use this two proportion z test calculator to compare two independent population proportions using raw or summary data and find the z...

Two Sample T Test Calculator

Use this two sample t test calculator to compare two independent population means under the equal-variance assumption and find the t statistic,...

Two Sample Z Test Calculator

Use this two sample z test calculator to compare two independent population means when both population standard deviations are known. Enter raw...

Welch’s T Test Calculator

Use this Welch’s t test calculator to compare two independent population means without assuming equal variances. Get the t statistic, p-value, critical...

Z Critical Value Calculator

Open the calculator, enter your values, and get a clear result with helpful guidance.