Z score(redirected from Z scores)
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A measure of the distance in units of standard deviations of a particular value in a distribution or a set of data from the mean of that distribution or set of data.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.