Hypothesis Tests Calculator

A one sample t-test is used to test whether or not the mean of a population is equal to some value. To…

A two proportion z-test is used to test for a difference between two population proportions. The test statistic is calculated as: z…

A one proportion z-test is used to compare an observed proportion to a theoretical one. The test statistic is calculated as: z…

A paired samples t-test is used to compare the means of two samples when each observation in one sample can be paired…

Welch’s t-test is used to test whether or not the means of two populations are equal. This type of test does not…

In hypothesis testing, we want to know whether we should reject or fail to reject some statistical hypothesis. To make this decision,…

McNemar’s test is used to test whether or not counts are consistent across two groups. It is often used to test if…

A Mann-Whitney U test is used to compare the differences between two independent samples when the sample distributions are not normally distributed…