Meaning of significance level | Babel Free

Definitions

1. A measure of how likely it is to draw a false conclusion in a statistical test, when the results are really just random variations.
2. The 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 I error.
3. Used other than figuratively or idiomatically: see significance, level.

CEFR level