| 单词 | sampling |
| 释义 | sampling The selection of small groups of entities to represent a large number of entities in statistics. In random sampling each individual of a population has an equal chance of being selected as part of the sample. In stratified random sampling , the population is divided into strata, each of which is randomly sampled and the samples from the different strata are pooled. In systematic sampling , individuals are chosen at fixed intervals; for example, every hundredth article on a production line. In sampling with replacement , each individual chosen is replaced before the next selection is made |
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