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Z-scoresearch for term
A z-scoreA z-score is an expression of how many standard deviations higher or lower a data point is from the mean. For more information, see the Wikipedia. Return to Glossary. is an expression of how many standard deviations higher or lower a data point is from the meanIn statistics, the mean is the arithmetic average of a set of values. When used in text analysis, the set of values is the distribution of words in the source text, and the mean value the word with the occurrence rate closest to the average. For more information, see the Wikipedia. Return to Glossary..

For more information, see the Wikipedia.

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