two-tailed

adjective
\ ˈtü-ˈtāl(d) How to pronounce two-tailed (audio) \
variants: or less commonly two-tail \ ˈtü-​ˈtāl How to pronounce two-tailed (audio) \

Definition of two-tailed

: being a statistical test for which the critical region consists of all values of the test statistic greater than a given value plus the values less than another given value — compare one-tailed

First Known Use of two-tailed

1945, in the meaning defined above

Keep scrolling for more

Learn More About two-tailed

Time Traveler for two-tailed

Time Traveler

The first known use of two-tailed was in 1945

See more words from the same year

Statistics for two-tailed

Cite this Entry

“Two-tailed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/two-tailed. Accessed 26 Jul. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!