significance level

noun
(in the statistical test of a hypothesis) the maximum probability of a Type I error for all distributions consistent with the null hypothesis.


Origin:
1945–50

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Example sentences
The critical values from the t table depend on the significance level and the degrees of freedom in the standard deviation.
The positive trend is quite close to the significance level.
The positive trend is quite close to the significance level.
The shaded area of the graph indicates the rejection region at the significance level.
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