sample statistics

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• Sample (statistics) — In statistics, a sample is a subset of a population. Typically, the population is very large, making a census or a complete enumeration of all the values in the population impractical or impossible. The sample represents a subset of manageable… …   Wikipedia

• statistics — /steuh tis tiks/, n. 1. (used with a sing. v.) the science that deals with the collection, classification, analysis, and interpretation of numerical facts or data, and that, by use of mathematical theories of probability, imposes order and… …   Universalium

• Sample size determination — is the act of choosing the number of observations to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample …   Wikipedia

• Statistics — is a mathematical science pertaining to the collection, analysis, interpretation or explanation, and presentation of data. Also with prediction and forecasting based on data. It is applicable to a wide variety of academic disciplines, from the… …   Wikipedia

• Statistics New Zealand — Tatauranga Aotearoa Statistics New Zealand logo Agency overview Jurisdiction New Zealand Headquarters …   Wikipedia

• Sample mean and sample covariance — are statistics computed from a collection of data, thought of as being random.ample mean and covarianceGiven a random sample extstyle mathbf{x} {1},ldots,mathbf{x} {N} from an extstyle n dimensional random variable extstyle mathbf{X} (i.e.,… …   Wikipedia

• sample — [sam′pəl, säm′pəl] n. [ME, aphetic for asample < Anglo Fr, for OFr essample: see EXAMPLE] 1. a part, piece, or item taken or shown as representative of a whole thing, group, species, etc.; specimen; pattern [samples of wallpaper] 2. an… …   English World dictionary

• sample — ► NOUN 1) a small part or quantity intended to show what the whole is like. 2) Statistics a portion of a population, serving as a basis for estimates of the attributes of the whole population. 3) a specimen taken for scientific testing or… …   English terms dictionary

• Статистика малых выборок (small-sample statistics) — Принято считать, что начало С. м. в. или, как ее часто называют, статистике «малых п», было положено в первом десятилетии XX века публикацией работы У. Госсета, в к рой он поместил t распределение, постулированное получившим чуть позже мировую… …   Психологическая энциклопедия

• Sample maximum and minimum — Box plots of the Michelson–Morley experiment, showing sample maximums and minimums. In statistics, the maximum and sample minimum, also called the largest observation, and smallest observation, are the values of the greatest and least elements of …   Wikipedia

• Sample size — The sample size of a statistical sample is the number of observations that constitute it. It is typically denoted n , a positive integer (natural number).Typically, all else being equal, a larger sample size leads to increased precision in… …   Wikipedia