sample size
🎓 雅思学术中文释义
样本量
例句
An insufficient sample size reduces the statistical power needed to detect meaningful differences.不足的样本量降低了检测有意义差异所需的统计功效。
The researchers increased their sample size after the pilot study revealed high variability in responses.在预实验显示出高度的反应变异性后，研究人员增加了样本量。
雅思学术词汇中的其他单词
