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

---

Example Sentences

See Examples For:

two-tailed

A test of two variances may be left-tailed, right-tailed, or two-tailed.

From Textbooks ● Mar. 27, 2020

This tells us that this is a two-tailed test: if the machine is malfunctioning it will be shutdown regardless if it is from over-filling or under-filling.

From Textbooks ● Nov. 29, 2017

Finally, there is no presumption as to which format might lead to higher grades so the hypothesis is stated as a two-tailed test.

From Textbooks ● Nov. 29, 2017

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

From Textbooks ● Sep. 19, 2013

There was displayed on one car a lively crayon picture of a very fierce, two-tailed Bavarian lion eating up his enemies—a nation at a bite.

From Paths of Glory Impressions of War Written at and Near the Front by Cobb, Irvin S. (Irvin Shrewsbury)