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random sample是什么意思

2024-01-08 17:08:17
random sample
美  英

英英释义

Noun
  1. a sample in which every element in the population has an equal chance of being selected
  2. a sample grabbed at random

例句

用作名词(n.)
  1. The opinion poll was based on a random sample of adults.这次民意测验结果是在对成年人的随机抽样调查基础上得出来的。