null hypothesis

noun

Definition of null hypothesis

:a statistical hypothesis to be tested and accepted or rejected in favor of an alternative; specifically :the hypothesis that an observed difference (as between the means of two samples) is due to chance alone and not due to a systematic cause

Recent Examples of null hypothesis from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'null hypothesis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of null hypothesis

1935


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