type 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

• type — [n1] class, kind blazon, brand, breed, cast, category, character, classification, cut, description, feather, form, genre, group, ilk, likes, lot, mold, nature, number, order, persuasion, rubric, sample, sort, species, specimen, stamp, standard,… …   New thesaurus

• Type (biology) — Type specimen for Cimbrophlebia brooksi, a fossil scorpion fly. By convention, the red label denotes a type specimen. In biology, a type is one particular specimen (or in some cases a group of specimens) of an organism to which the scientific… …   Wikipedia

• sample, sale by — n. A sale in which the buyer examines only a sample of the item purchased, which creates an express warranty that all goods of that type are of the same quality and design as the sample. The Essential Law Dictionary. Sphinx Publishing, An imprint …   Law dictionary

• type — [tīp] n. [LL(Ec) typus, a model, symbol < L & Gr: L, a figure < Gr typos, a figure, archetype, model, orig., a blow, mark made by a blow < typtein: see TYMPAN] 1. a person, thing, or event that represents or symbolizes another, esp.… …   English World dictionary

• Type I and type II errors — In statistics, the terms Type I error (also, α error, or false positive) and type II error (β error, or a false negative) are used to describe possible errors made in a statistical decision process. In 1928, Jerzy Neyman (1894 1981) and Egon… …   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 return mission — A sample return mission is a spacecraft mission with the goal of returning tangible samples from an location to Earth for analysis. Sample return missions may bring back merely atoms and molecules or a deposit of complex compounds such as dirt… …   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

• type — /tuyp/, n., v., typed, typing. n. 1. a number of things or persons sharing a particular characteristic, or set of characteristics, that causes them to be regarded as a group, more or less precisely defined or designated; class; category: a… …   Universalium

• Sample Selection Bias — A type of bias caused by choosing non random data for statistical analysis. The bias exists due to a flaw in the sample selection process, where a subset of the data is systematically excluded due to a particular attribute. The exclusion of the… …   Investment dictionary