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dispersion of average

См. также в других словарях:

  • dispersion — [di spʉr′zhən, dis pʉr′shən] n. [ME dispersioun < OFr dispersion < L dispersio] 1. a dispersing or being dispersed 2. the breaking up of light into component colored rays, as by means of a prism 3. the resolution of a complex… …   English World dictionary

  • Average — In mathematics, an average, or central tendency[1] of a data set is a measure of the middle value of the data set. Average is one form of central tendency. Not all central tendencies should be considered definitions of average. There are many… …   Wikipedia

  • Dispersion — A term used in statistics that refers to the location of a set of values relative to a mean or average level. In finance, dispersion is used to measure the volatility of different types of investment strategies. Returns that have wide dispersions …   Investment dictionary

  • dispersion — noun Date: 14th century 1. capitalized diaspora 1a 2. the act or process of dispersing ; the state of being dispersed 3. the scattering of the values of a frequency distribution from an average 4. the separation of …   New Collegiate Dictionary

  • dispersion, longitudinal —    Process whereby some of the water molecules and solute molecules travel more rapidly than the average linear velocity and some travel more slowly which results in spreading of the solute in the direction of the bulk flow [22] …   Lexicon of Cave and Karst Terminology

  • dispersion — i. Spreading or scattering shots about a target in air to air or air to ground gunnery. ii. The average distance from the aiming point of bombs or other armament dropped under identical conditions. iii. The process in which electromagnetic… …   Aviation dictionary

  • Statistical dispersion — In statistics, statistical dispersion (also called statistical variability or variation) is variability or spread in a variable or a probability distribution. Common examples of measures of statistical dispersion are the variance, standard… …   Wikipedia

  • Quartile coefficient of dispersion — In statistics, the quartile coefficient of dispersion is a descriptive statistic used to make comparisons within and between data sets. The statistic is easily computed using the first ( Q 1) and third ( Q 3) quartiles for each data set. Consider …   Wikipedia

  • Taylor dispersion — is an effect in fluid mechanics in which a shear flow can increase the effective diffusivity of a species. Essentially, the shear acts to smear out the concentration distribution in the direction of the flow, enhancing the rate at which it… …   Wikipedia

  • Moving average — For other uses, see Moving average (disambiguation). In statistics, a moving average, also called rolling average, rolling mean or running average, is a type of finite impulse response filter used to analyze a set of data points by creating a… …   Wikipedia

  • Compilation of atmospheric dispersion models — Atmospheric dispersion models are computer programs that use mathematical algorithms to simulate how pollutants in the ambient atmosphere disperse and, in some cases, how they react in the atmosphere. The dispersion models are used to estimate or …   Wikipedia

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