Statistics a measure of variability equal to the square root of the arithmetic average of the squares of the deviations from the mean in a frequency distribution
standard deviation
standard deviationWebster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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standard deviation
noun
Abbr. SDA statistic used as a measure of the dispersion or variation in a distribution or set of data, equal to the square root of the arithmetic mean of the squares of the deviations from the arithmetic mean.
THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Standard deviation. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/standard-deviation
A statistic used as a measure of the dispersion or variation in a distribution, equal to the square root of the arithmetic mean of the squares of the deviations from the arithmetic mean.
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"Standard deviation." YourDictionary. LoveToKnow. www.yourdictionary.com/standard-deviation.
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Standard deviation. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/standard-deviation
Noun
(plural standard deviations)
Origin
Coined by English mathematician Karl Pearson in 1894 in his paper "On the dissection of asymmetrical frequency curves".
English Wiktionary. Available under CC-BY-SA license.
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"Standard deviation." YourDictionary. LoveToKnow. www.yourdictionary.com/standard-deviation.
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standard deviation - Computer Definition
In statistics, the average amount a number varies from the average number in a series of numbers.
Computer Desktop Encyclopedia THIS DEFINITION IS FOR PERSONAL USE ONLY All other reproduction is strictly prohibited without permission from the publisher. © 1981-2017 The Computer Language Company Inc. All rights reserved.
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"Standard deviation." YourDictionary. LoveToKnow. www.yourdictionary.com/standard-deviation.
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standard deviation - Investment & Finance Definition
The degree that a single value in a group of values varies from the mean (average) of the distribution. Standard deviation is a statistical measure that uses past performance of an investment or portfolio to determine the potential range of future performance and assess the probability of that performance. Standard deviations can be calculated for an individual security or for the entire portfolio.
Webster's New World Finance and Investment Dictionary Copyright © 2010 by Wiley Publishing, Inc., Indianapolis, Indiana.
Used by arrangement with John Wiley & Sons, Inc.
Used by arrangement with John Wiley & Sons, Inc.
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"Standard deviation." YourDictionary. LoveToKnow. www.yourdictionary.com/standard-deviation.
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Standard deviation. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/standard-deviation
