second moment

(redirected from Moment (mathematics))
Also found in: Thesaurus, Wikipedia.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.second moment - the expected value of the square of the deviations of a random variable from the point of origin
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
moment - the n-th moment of a distribution is the expected value of the n-th power of the deviations from a fixed value