significance level Rate this phrase:(0.00 / 0 votes)
A measure of how likely it is to draw a false conclusion in a statistical test, when the results are really just random variations.

Additional definitions for 'significance level':

significance levelUsed other than as an idiom: see significance, level.
significance levelThe probability, usually expressed as a percentage, of making a decision to reject the null hypothesis when the null hypothesis is actually true; the probability of making a type 1 error).
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