variance var·i·ance (vâr'ē-əns, vār'-)
n.
The state or quality of being variant or variable; a variation.
The state or fact of differing or of being in conflict.
The square of the standard deviation.
variance
in statistics, the square of the standard deviation of a sample or set of data, used procedurally to analyze the factors that may influence the distribution or spread of the data under consideration. See mean.
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