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standard deviation definition

standard deviation

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

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Alternate definitions:

business standard deviation definition - business

finance standard deviation definition - finance

medical standard deviation definition - medical

standard deviation Usage Examples

Preposition: of

  • distribution: Firstly the standard deviation of the distribution of income is required.

Adjective modifier

  • estimated: In practice, the estimated standard deviation, s, must be used.

Converse of object

  • calculate: The simplest approach to this is to calculate the standard deviation.

Converse of subject

  • divide: The effect size statistic is equal to the mean change in instrument scores divided by the baseline standard deviation [ 36 ] .

Preposition: from

  • mean: This process is then repeated twice more, rejecting pixel values lying more than 2.8 and 2.5 standard deviations from the mean.
standard deviation usage examples (more)

The word usage examples above have been gathered from various sources to reflect current and historical usage. They do not represent the opinions of YourDictionary.com.

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"standard deviation." Webster's New World College Dictionary. 2009

  • Your Dictionary. 5 July 2009
  • <www.yourdictionary.com/standard-deviation>

APA Style

standard deviation. (2009). In Webster's New World College Dictionary

  • Retrieved July 5th, 2009, from www.yourdictionary.com/standard-deviation

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