名词
中文翻译：分层随机样本
同义词：
['stratified random sampling', 'stratified random selection']
例句：
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1. In this study, we used a stratified random sample to ensure that the results were representative of the population.
在这项研究中，我们使用了分层随机样本以确保结果能够代表整个人群。
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2. The research team carefully selected participants based on their age and gender to obtain a stratified random sample.
研究团队根据年龄和性别精心选择参与者，以获得一个分层随机样本。
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3. The data collected from the stratified random sample was analyzed to identify any patterns or trends in the population.
通过对分层随机样本收集的数据进行分析，可以识别出人群中的任何模式或趋势。