two-tailed

British  

adjective

1. statistics (of a significance test) concerned with the hypothesis that an observed value of a sampling statistic differs significantly from a given value, where an error in either direction is relevant: for instance, in testing the fairness of scales, an inspector will seek to exclude both overweight and underweight goods Compare one-tailed

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Example Sentences

See Examples For:

two-tailed

For a two-tailed 95 percent confidence interval, what is the appropriate t value to use in the formula?

From Textbooks ● Mar. 27, 2020

This is a one-tailed test and all of the alpha probability is placed in just one tail and not split into α/2 as in the above case of a two-tailed test.

From Textbooks ● Nov. 29, 2017

This gives us the decision rule for testing a hypothesis for a two-tailed test:

From Textbooks ● Nov. 29, 2017

Is this a right-, left-, or two-tailed test?

From Textbooks ● Sep. 19, 2013

Posterior wings two-tailed; exterior tail very short, interior lengthened; anal angle two-lobed, margin whitish.

From Zoological Illustrations, Volume III or Original Figures and Descriptions of New, Rare, or Interesting Animals by William Swainson