Glossary:Stratified Sampling

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Stratified Sampling
A form of probabilistic sampling in which the region or site is divided into natural zones or strata such as cultivated land and forest; units are then chosen wither randomly or in a systematic way so as to give each zone a number of squares proportional to its area, thus overcoming the unherent bias in simple random sampling.

Related Words: Probabilisitic sampling, Random sampling, Systematic Sampling

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