stratified random sample

stratified random sample
a random sample of a population in which the population is first divided into distinct subpopulations, or strata, and random samples are then taken separately from each stratum.

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  • stratified random sample — sluoksniuotoji atsitiktinė imtis statusas T sritis biomedicinos mokslai atitikmenys: angl. stratified random sample ryšiai: platesnis terminas – imtis šaltinis Pagrindinės epidemiologijos sąvokos : mokomasis žodynas / Kauno medicinos… …   Lithuanian dictionary (lietuvių žodynas)

  • stratified random sample — Statistics. a random sample of a population in which the population is first divided into distinct subpopulations, or strata, and random samples are then taken separately from each stratum …   Useful english dictionary

  • stratified random sample — a stratified sample in which random samples are chosen within each stratum. Sometimes called stratified s …   Medical dictionary

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  • Random sample — A sample is a subject chosen from a population for investigation. A random sample is one chosen by a method involving an unpredictable component. Random sampling can also refer to taking a number of independent observations from the same… …   Wikipedia

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  • random sample — a subgroup of a total population (the so called universe) selected by a random process ensuring that each member of the universe has an equal chance of being included in the sample. It is sometimes stratified so that separate samples are drawn… …   Medical dictionary

  • random sample — a subgroup of a total population selected by a random process ensuring that each member of the population has an equal chance of being included in the sample. It is sometimes stratified so that separate samples are drawn from each of several… …   The new mediacal dictionary

  • sample — imtis statusas T sritis biomedicinos mokslai apibrėžtis 1) iš ↑populiacijos tyrimui atrinktų individų grupė; 2) iš ↑generalinės aibės tyrimui atrinktų objektų poaibis. Imtis gali būti atsitiktinė arba neatsitiktinė ir reprezentatyvioji arba… …   Lithuanian dictionary (lietuvių žodynas)

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