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Lycos News20 Jan 2016

en.wikipedia.org/wiki/Variance
In probability theory and statistics, variance measures how far a set of numbers are spread out. A variance of zero indicates that all the values are identical.

www.mathsisfun.com/data/standarddeviation.html
Standard Deviation and Variance. Deviation just means how far from the normal. Standard Deviation. The Standard Deviation is a measure of how spread out numbers are.

www.merriamwebster.com/dictionary/variance
There was some variance in the results. We noticed a slight variance between the quality of the samples. He had to get a variance to add a garage on to his house.

www.wikihow.com/CalculateVariance
How to Calculate Variance. Calculating variance allows you to measure how far a set of numbers is spread out. Variance is one of the descriptors of probability ...

www.ehow.com/how_4884715_calculatevariance.html
Variance is a measure of the amount of variability or scatter in our numerical data when compared to the mean, or average. Calculating variance is a threestep ...

www.thefreedictionary.com/variance
var·i·ance (vâr′ēəns, văr′) n. 1. The state or quality of being variant or variable; variation: considerable variance in temperature across the region.

www.investopedia.com/terms/v/variance.asp
DEFINITION of 'Variance' A measurement of the spread between numbers in a data set. The variance measures how far each number in the set is from the mean.

dictionary.reference.com/browse/variance
noun 1. the state, quality, or fact of being variable, divergent, different, or anomalous. 2. an instance of varying; difference; discrepancy. 3. Also called mean ...

mathworld.wolfram.com/Variance.html
The variance is therefore equal to the second central moment. Note that some care is needed in interpreting as a variance, since the symbol is also commonly used as a ...

davidmlane.com/hyperstat/A16252.html
The variance and the closelyrelated standard deviation are measures of how spread out a distribution is. In other words, they are measures of variability.