| 单词 |
two-stage sampling |
| 释义 |
DictionarySeesamplingtwo-stage sampling
two-stage sampling[′tü ¦stāj ′sam·pliŋ] (statistics) Sampling from a population whose members are themselves sets of objects and then sampling from the sets selected in the first sampling; for example, to first draw a sample of states and then to draw a sample of representatives to Congress from each state selected. |
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