distribution of sample

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• 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

• 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 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

• sample preparation — ▪ chemistry Introduction  in analytical chemistry (chemistry), the processes in which a representative piece of material is extracted from a larger amount and readied for analysis. Sampling and sample preparation have a unique meaning and special …   Universalium

• 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 (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

• sample distribution — noun items selected at random from a population and used to test hypotheses about the population • Syn: ↑sample, ↑sampling • Topics: ↑statistics • Hypernyms: ↑distribution, ↑statistical distribution …   Useful english dictionary

• Sample continuous process — In mathematics, a sample continuous process is a stochastic process whose sample paths are almost surely continuous functions.DefinitionLet ( Omega;, Sigma;, P) be a probability space. Let X : I times; Omega; rarr; S be a stochastic process,… …   Wikipedia

• Distribution — Contents 1 In mathematics, science, and technology 1.1 In mathematics 1.2 In science …   Wikipedia

• distribution — 1. The passage of the branches of arteries or nerves to the tissues and organs. 2. The area in which the branches of an artery or a nerve terminate, or the area supplied by such an artery or nerve. 3. The relative numbers of individuals in each… …   Medical dictionary

• distribution-free — adjective Free of specific assumptions about the shape of the probability distribution generating the sample. Syn: nonparametric …   Wiktionary