mean square

noun

: the mean of the squares of a set of values

Example Sentences

Recent Examples on the Web In addition, in order to show an ET quantitative application, beer alcohol content was predicted from the array data employing an artificial neural network model (root mean square error for testing subset was 0.131 abv). Seriously Science, Discover Magazine, 5 Feb. 2014

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mean square.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

circa 1832, in the meaning defined above

Time Traveler
The first known use of mean square was circa 1832

Dictionary Entries Near mean square

Cite this Entry

“Mean square.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mean%20square. Accessed 28 Jan. 2023.

Last Updated: - Updated example sentences
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