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exact variance

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  • Exact statistics — Exact statistics, such as that described in exact test, is a branch of statistics that was developed to provide more accurate results pertaining to statistical testing and interval estimation by eliminating procedures based on asymptotic and… …   Wikipedia

  • Propagation of uncertainty — In statistics, propagation of uncertainty (or propagation of error) is the effect of variables uncertainties (or errors) on the uncertainty of a function based on them. When the variables are the values of experimental measurements they have… …   Wikipedia

  • Pivotal quantity — In statistics, a pivotal quantity is a function of observations whose distribution does not depend on unknown parameters.More formally, given an independent and identically distributed sample X = (X 1,X 2,ldots,X n) from a distribution with… …   Wikipedia

  • Propagación de errores — Saltar a navegación, búsqueda En Estadística, la propagacion de errores (o propagación de incertidumbre) es el efecto de variables de incertidumbre (o errores) en la incertidumbre de una función matemática basada en ellos. Cuando las variables… …   Wikipedia Español

  • Normal distribution — This article is about the univariate normal distribution. For normally distributed vectors, see Multivariate normal distribution. Probability density function The red line is the standard normal distribution Cumulative distribution function …   Wikipedia

  • List of statistics topics — Please add any Wikipedia articles related to statistics that are not already on this list.The Related changes link in the margin of this page (below search) leads to a list of the most recent changes to the articles listed below. To see the most… …   Wikipedia

  • Monte Carlo integration — An illustration of Monte Carlo integration. In this example, the domain D is the inner circle and the domain E is the square. Because the square s area can be easily calculated, the area of the circle can be estimated by the ratio (0.8) of the… …   Wikipedia

  • Ronald Fisher — R. A. Fisher Born 17 February 1890(1890 02 17) East Finchley, London …   Wikipedia

  • Multicollinearity — is a statistical phenomenon in which two or more predictor variables in a multiple regression model are highly correlated. In this situation the coefficient estimates may change erratically in response to small changes in the model or the data.… …   Wikipedia

  • Chi-squared test — Chi square test is often shorthand for Pearson s chi square test. A chi square test, also referred to as chi squared test or χ2 test, is any statistical hypothesis test in which the sampling distribution of the test statistic is a chi square… …   Wikipedia

  • Hypergeometric distribution — Hypergeometric parameters: support: pmf …   Wikipedia

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