Given a set of data and an α value, this determines the test statistic and accept/reject hypothesis based on randomness of a dataset.

This calculator has 2 inputs.

This calculator has 2 inputs.

- μ = (2n
_{1}n_{2}+ n_{1}+ n_{2})/(n_{1}+ n_{2})

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- alternative hypothesis
- opposite of null hypothesis. One of the proposed proposition in the hypothesis test.

H_{1} - hypothesis
- statistical test using a statement of a possible explanation for some conclusions
- null hypothesis
- in a statistical test, the hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

H_{0} - random test
- selecting people for a test arbitrarily
- test statistic
- a number calculated by a statistical test