significance level

American  

noun

1. (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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Etymology

Origin of significance level

First recorded in 1945–50

Example Sentences

See Examples For:

significance level

Use a significance level of 0.05 and, using appropriate statistical evidence, conduct a hypothesis test and state the conclusions.

From Textbooks ● Mar. 27, 2020

These conclusions are all based upon a level of probability, a significance level, that is set my the analyst.

From Textbooks ● Nov. 29, 2017

Test at the 10% significance level the null hypothesis that the two population means are equal against the alternative that the training program helps improve the employees’ scores.

From Textbooks ● Nov. 29, 2017

Conclusion: At the 5% significance level, there is insufficient evidence to conclude that car size and family size are dependent.

From Textbooks ● Nov. 29, 2017

Simply stated, the p-value approach compares the desired significance level, α, to the p-value which is the probability of drawing a sample mean further from the hypothesized value than the actual sample mean.

From Textbooks ● Nov. 29, 2017