standard deviation love

standard deviation


from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun statistics A measure of how spread out data values are around the mean, defined as the square root of the variance.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the square root of the variance


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