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statistical test

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statistical test

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Also known as hypothesis test, statistical hypothesis test, significance test

method of statistical inference

~40 min read

Encyclopedic overview

A statistical hypothesis test is a method of statistical inference used to decide whether the data provide sufficient evidence to reject a particular hypothesis. A statistical hypothesis test typically involves a calculation of a test statistic. Then a decision is made, either by comparing the test statistic to a critical value or equivalently by evaluating a p-value computed from the test statistic. Roughly 100 specialized statistical tests are in use.

Definition of terms

Excerpted from Wikipedia’s “statistical test” article, available under the CC BY-SA 4.0 licence.