WordReference Random House Unabridged Dictionary of American English © 2025
signif′icance lev′el, 
  1. Statistics(in the statistical test of a hypothesis) the maximum probability of a Type I error for all distributions consistent with the null hypothesis. Also called level of significance. 
  • 1945–50

'significance level' also found in these entries (note: many are not synonyms or translations):
level of significance - null hypothesis

Forum discussions with the word(s) "significance level" in the title:


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