Representative Sample

Representative Sample
A subset of a statistical population that accurately reflects the members of the entire population. A representative sample should be an unbiased indication of what the population is like. In a classroom of 30 students in which half the students are male and half are female, a representative sample might include six students: three males and three females.

When a sample is not representative, the result is known as a sampling error. Using the classroom example again, a sample that included six students, all of whom were male, would not be a representative sample. Whatever conclusions were drawn from studying the six male students would not be likely to translate to the entire group since no female students were studied.


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  • representative sample — reprezentatyvusis ėminys statusas T sritis Standartizacija ir metrologija apibrėžtis Ėminys, kuris pakankamai gerai išreiškia medžiagos arba tiriamosios visumos savybes. atitikmenys: angl. representative sample vok. repräsentative Probe, f rus.… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • representative sample — reprezentatyvusis ėminys statusas T sritis chemija apibrėžtis Ėminys, pakankamai gerai išreiškiantis medžiagos arba tiriamosios visumos savybes. atitikmenys: angl. representative sample rus. представительная проба; репрезентативная проба …   Chemijos terminų aiškinamasis žodynas

  • representative sample — noun the population is divided into strata and a random sample is taken from each stratum • Syn: ↑stratified sample, ↑proportional sample • Topics: ↑statistics • Hypernyms: ↑sample distribution, ↑sample, ↑ …   Useful english dictionary

  • representative sample — n a sample collected in such a manner that every particle in the lot to be sampled is equally represented in the gross or divided sample. D2013; D2234/D2234M; D4916 …   Coke&Coal Terminology

  • representative sample — See representativeness ; sampling ; sampling error …   Dictionary of sociology

  • a representative sample — (of sth) ► MARKETING a small group that contains the same mixture of people or things that is found in a bigger group, so that it is able to provide useful information about the bigger group : »The survey was sent to a representative sample of US …   Financial and business terms

  • a representative sample of sth — a representative sample (of sth) ► MARKETING a small group that contains the same mixture of people or things that is found in a bigger group, so that it is able to provide useful information about the bigger group : »The survey was sent to a… …   Financial and business terms

  • representative — ► ADJECTIVE 1) typical of a class or group. 2) containing typical examples of many or all types: a representative sample. 3) (of a legislative or deliberative assembly) consisting of people chosen to act and speak on behalf of a wider group. 4)… …   English terms dictionary

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