We based our analysis on a random sample of more than 200 males.

我们把我们的分析基于二百多名男性的一组随机抽样。

《柯林斯英汉双解大词典》

The survey used a random sample of two thousand people across the Midwest.

这项调查使用的是对中西部地区2000人的随机取样。

《柯林斯英汉双解大词典》

The interviews were given to a random sample of students.

随机抽选出部分学生进行了采访。

《牛津词典》

Do I go out to Harvard yard and take a random sample ? of sophomores to study meditation?

是不是可以在哈佛大二学生里随机抽样,来研究冥想？

哈佛公开课 - 幸福课课程节选

And I say if you took a random sample of the Americans: "When you woke up in the middle of the night" and said: "What does the America stand for?"

我觉得如果给美国人做个抽样调查：,半夜醒来的时候“,被问到，美国人主张什么“

普林斯顿公开课 - 国际座谈会课程节选

And the other thing you can do is take self reports like the ones you're doing, hopefully do enough of them, and a random enough sample of the population, that you can extrapolate from that sample to the whole population, and try to estimate what people are eating in that way.

还有其他可以做的,比如大家正在做的这种个体调查,希望能把它做的充分些,如果有充足的随机样本,就可以从样本推断出,整个总体,从而推断哪类人有这样的饮食习惯

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

We estimate that about 5 to 8 percent of a random sample of children have ADD.

NPR: Excerpt: 'Delivered from Distraction'

It was based on a random sample of 625 lone parents interviewed in 1991 and again in 1995.

BBC: Working parents are 'in control' says survey

The monthly Consumer Confidence Survey, based on a probability-design random sample, is conducted for The Conference Board by Nielsen.

FORBES: Consumer Confidence Index Gets a Holiday Boost