stratified sample

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stratified sample

(Mathematics & Measurements / Statistics) Statistics a sample that is not drawn at random from the whole population, but separately from a number of disjoint strata of the population in order to ensure a more representative sample See also frame [13]

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Noun

stratified sample - the population is divided into strata and a random sample is taken from each stratum

proportional sample, representative sample

statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters

sample distribution, sampling, sample - items selected at random from a population and used to test hypotheses about the population

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cluster frame proportional sample proportional sampling representative sample representative sampling sample sample distribution sampling stratified sampling			Although the final result is not a perfect stratified sample due to elimination of several selected units without replacement (because of temporal and financial project constraints), it comes close enough for the goals of the proposed empirical project. AN investigation of the consumers predisposition towards enrolling ... by Rakesh, Sapna; Khare, Arpita / Abhigyan We selected a stratified sample of 658 children in each age group. Persistence of diphtheria, Hyderabad, India, 2003-2006 by Bitragunta, Sailaja; Murhekar, Manoj V.; Hutin, Yvan J.; Penumur, Padmanabha P.; Gupte, Mohan D. / Emerging Infectious Diseases Solicitation of a larger sampling and different demographic segmentations could generate newly defined and stratified sample groups for additional hypothesis testing. Leadership across cultures: a comparative study by Russette, John W.; Scully, Robert E.; Preziosi, Robert / Academy of Strategic Management Journal			strategic warning lead time strategic warning post-decision time strategic warning pre-decision time strategical strategically strategics strategist strategize Strategus strategy strategy determination Stratford Stratford-on-Avon Stratford-upon-Avon strath Strathclyde Region strathspey strati strati- straticulate stratification stratificational grammar stratified stratified charge engine stratified language stratified sample stratified sampling stratiform stratify stratigraphic stratigraphy strato- Strato-cirrus Strato-cumulus stratocracy stratocumulus Stratographic stratography Stratonic stratopause stratosphere stratospheric Stratotic stratovolcano stratum stratum basale stratum corneum stratum germinativum stratum granulosum stratum lucidum stratum title			stratified stratified stratified stratified Stratified Anisotropic Media Stratified Charge Compression Ignition stratified charge engine stratified charge engine stratified clot stratified drift stratified epithelium stratified epithelium stratified epithelium Stratified equity indexing stratified film stratified flow stratified fluid Stratified Garbage Collection stratified language stratified ocean Stratified Plain stratified random sample stratified random sample stratified random sample stratified random sample Stratified random sampling Stratified random sampling Stratified random sampling Stratified random sampling stratified rock stratified sample stratified samples stratified samples stratified sampling stratified sampling stratified sampling Stratified sampling approach to indexing Stratified sampling bond indexing Stratified squamous Stratified squamous Stratified squamous Stratified Squamous Carcinoma Stratified squamous epithelium Stratified squamous epithelium Stratified squamous epithelium stratifies Stratifin stratiform stratiform stratiform stratiform stratiform cartilage Stratiform Deposits stratiform fibrocartilage stratiformis stratify stratify stratify stratify Stratify a person into a disease or nondisease state stratifying

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