Word Pronunciation & Dictionary

z score

Word Rarity Uncommon

Frequency: Zipf frequency 4.31 in modern English

Syllables: z s-core
IPA

17

Scrabble Score

6

Letters

2

Syllables

6

Unique Chars

Meaning

noun

The number of standard deviation units away from the mean a particular value of data lies.

Etymology

From the use of "Z" in Z distribution, another name for normal distribution.

Inflected Forms

Z scores (plural)

Synonyms

Z-value normal score standard score standardized variable

Questions

What does z score mean?: The number of standard deviation units away from the mean a particular value of data lies.
Where does z score come from?: From the use of "Z" in Z distribution, another name for normal distribution.

How to pronounce z score

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