skewness
Americannoun
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asymmetry in a frequency distribution.
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a measure of such asymmetry.
noun
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the quality or condition of being skew
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statistics a measure of the symmetry of a distribution around its mean, esp the statistic B1 = m3/ ( m2 ) 3/2, where m2 and m3 are respectively the second and third moments of the distribution around the mean. In a normal distribution, B1 = 0 See kurtosis
Etymology
Origin of skewness
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Silicon Valley has the least risk-averse people in the world, but they take risk because they like positive skewness.
From Scientific American • Mar. 18, 2023
And negative skewness is the opposite: it’s a small chance of something terrible happening such as a bank run.
From Scientific American • Mar. 18, 2023
That step alone would reduce the skewness of the nation’s post-tax income distribution.
From Washington Post • Apr. 6, 2018
If the skewness is negative then the distribution is skewed left as in Figure 2.12.
From Textbooks • Nov. 29, 2017
In the distribution of the totals for ages, the mode appears plainly at 16, but with an evident skewness toward the upper ages.
From The High School Failures A Study of the School Records of Pupils Failing in Academic or Commercial High School Subjects by Obrien, Francis P.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
