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null hypothesis
noun
- (in the statistical testing of a hypothesis) the hypothesis to be tested.
null hypothesis
noun
- statistics the residual hypothesis if the alternative hypothesis tested against it fails to achieve a predetermined significance level Compare hypothesis testing alternative hypothesis
Word History and Origins
Origin of null hypothesis1
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Example Sentences
Then they collect evidence to test whether that null hypothesis is true.
Rejecting a null hypothesis doesn’t tell an investigator anything new.
Starting in the 1930s, Fisher devised a type of significance testing to analyze the likelihood of a null hypothesis, which a researcher could propose as either an effect or no effect.
The most common analysis procedure in fMRI experiments, null hypothesis tests, require that the researcher designate a statistical threshold.
If data disprove the null hypothesis, then they can conclude an effect of noise on whales.
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