bias sample

例句：

1. 1. In this study, we used a biased sample to test our hypothesis.
   在这项研究中，我们使用了有偏的样本来测试我们的假设。
2. 2. The researcher collected data from a biased sample, which may not be representative of the population.
   这位研究员从有偏的样本中收集数据，这可能不反映整个人口。
3. 3. The results of the experiment are heavily influenced by the biased sample, making it difficult to draw accurate conclusions.
   实验结果受到有偏样本的影响，这使得得出准确的结论变得困难。