bn:00079585n
Noun Concept
Categories: Statistical deviation and dispersion, Moment (mathematics), Articles with short description, Articles containing proofs
EN
variance  Sample Variance Computation  Empirical variance  population variance  Random variance
EN
The second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value WordNet 3.0
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EN
The second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value WordNet 3.0 & Open English WordNet
In probability theory and statistics, variance is the expected value of the squared deviation from the mean of a random variable. Wikipedia
Expectation of the squared deviation of a random variable from its mean Wikidata
A measure of the dispersion of the distribution of a random variable. OmegaWiki
A difference between what is expected and what is observed; deviation. Wiktionary