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significance level

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noun

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

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On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
Also called level of significance.

Origin of significance level

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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