It can produce a weighted mean that has less variability than the arithmetic mean of a simple random sample of the population. In computational statistics, stratified sampling is a method of variance reduction when Monte Carlo methods are used to estimate population statistics from a known population.
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The geologist used the precise stratification of the dig site to determine how old certain artifacts and human remains were. 7 people found this helpful. Stratification in society often takes places between classes of people based on income with lower and higher classes being divided in neighborhoods.
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Social mobility is the movement of individuals, social groups or categories of people between the layers or strata in a stratification system.
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stratification. 1. Classification of a mass of data (obtained from research or survey) into categories and sub-categories on the basis of one or more chosen criteria.
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As such, stratification is the relative social position of persons within a social group, category, geographic region, or social unit.
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In statistics, stratified sampling is a method of sampling from a population. In statistical surveys, when subpopulations within an overall population vary, it is advantageous to sample each subpopulation (stratum) independently.
https://en.wikipedia.org/wiki/Stratified_sampling
Stratification is the process of dividing members of the population into homogeneous subgroups before sampling. The strata should be mutually exclusive: every element in the population must be assigned to only one stratum. The strata should also be collectively exhaustive: no population element can be excluded.
https://en.wikipedia.org/wiki/Stratified_sampling
Stratified sampling ensures that at least one observation is picked from each of the strata, even if probability of it being selected is close to 0. Hence the statistical properties of the population may not be preserved if there are thin strata.
https://en.wikipedia.org/wiki/Stratified_sampling
Noun. 1. social stratification-the condition of being arranged in social strata or classes within a group. stratification. condition-a mode of being or form of existence of a person or thing; the human condition. 1  Facebook.
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The articles' topics include social equity in Croatia, Bosnia and Herzegovina; a socio-demographic take on tutoring in Cyprus;
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define stratification
Stratification means the process of dividing members of the population into homogeneous subgroups before sampling. Stratification is defined as the process of dividing members of the population into homogeneous subgroups before sampling.