Word History

First Known Use

1966, in the meaning defined above

Time Traveler
The first known use of z-score was in 1966

Dictionary Entries Near z-score

Cite this Entry

“Z-score.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/z-score. Accessed 30 Dec. 2024.

More from Merriam-Webster on z-score

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