# variance

• 111Multivariate analysis of variance — (MANOVA) is a generalized form of univariate analysis of variance (ANOVA). It is used when there are two or more dependent variables. It helps to answer&#160;: 1. do changes in the independent variable(s) have significant effects on the dependent …

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• 112at variance — adjective not in accord desires at variance with his duty widely discrepant statements • Syn: ↑discrepant, ↑dissonant • Similar to: ↑discordant • Derivationally related forms: ↑ …

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• 113Cosmic variance — For the weblog, see Cosmic Variance (blog). Physical cosmology Universe&#16 …

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• 114True variance — In statistics, the term true variance is often used to refer to the unobservable variance of a whole finite population, as distinguished from an observable statistic based on a sample. Suppose a number, such as a person s height or income or age&#8230; …

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• 115Matrice de variance-covariance — Une matrice de variance covariance est une matrice carrée caractérisant les interactions (linéaires) entre p variables aléatoires . Sommaire 1 Définition 2 Propriétés 3 …

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• 116Conditional variance swap — A conditional variance swap is a type of swap Derivative (finance) product that allows investors to take exposure to volatility in the price of an underlying security only while the underlying security is within a pre specified price range. This&#8230; …

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• 117Pooled variance — In statistics, many times, data are collected for a dependent variable, y, over a range of values for the independent variable, x. For example, the observation of fuel consumption might be studied as a function of engine speed while the engine&#8230; …

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• 118Minimum-variance unbiased estimator — In statistics a uniformly minimum variance unbiased estimator or minimum variance unbiased estimator (UMVUE or MVUE) is an unbiased estimator that has lower variance than any other unbiased estimator for all possible values of the parameter. The&#8230; …

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• 119Modified Allan variance — The modified Allan variance (MAVAR) [1], also known as mod&#160;σy2(τ), is a variable bandwidth modified variant of Allan variance, a measurement of frequency stability in clocks, oscillators and amplifiers. Its main advantage relative to Allan&#8230; …

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• 120Portfolio Variance — The measurement of how the actual returns of a group of securities making up a portfolio fluctuate. Portfolio variance looks at the standard deviation of each security in the portfolio as well as how those individual securities correlate with the …

Investment dictionary