sample space

noun

: a set in which all of the possible outcomes of a statistical experiment are represented as points

Examples of sample space in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For now, ignore the side landings and use heads and tails as our sample space. Zachary Del Rosario, The Conversation, 20 Feb. 2026 The other side of this argument is that there simply isn't a big sample space of big games, especially playoff games, for Herbert yet. Robert Marvi, MSNBC Newsweek, 5 Sep. 2025 Part of the problem here is that for various reasons that the sample space of researchers engaging in this sort of consilience is small, and restricted to particular scientific subcultures (e.g., evolutionary psychologists, the group of anthropologists around Robert Boyd, etc.). Razib Khan, Discover Magazine, 30 Mar. 2013

Word History

First Known Use

1951, in the meaning defined above

Time Traveler
The first known use of sample space was in 1951

Browse Nearby Words

Cite this Entry

“Sample space.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sample%20space. Accessed 10 Mar. 2026.

Kids Definition

sample space

noun
: the set of all the possible results of a statistical experiment
if you flip a coin once, the sample space is {heads, tails}

More from Merriam-Webster on sample space

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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

More from Merriam-Webster