The handlers note where the scat is found and take a sample for analysis to determine if it is from a tiger and to check the animal's health.

VOA: standard.2010.02.22

When you get--this is Rituparna, counting the leaves on a tree-- you can estimate, from a sample, the population expected values.

如果你...像数叶子的睿都巴若那一样,只有部分样本的话,你可以来估计总体均值

耶鲁公开课 - 金融市场课程节选

The absence of this smaller region tells you that this sample came from a sickle patient.

小片段的缺失就能告诉你,该样本是取自病人的

耶鲁公开课 - 生物医学工程探索课程节选

You see these headlines from scientific journals, and this is just a small sample.

看这些科学期刊的标题,这只是个很小的例子

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Also today, one of the teaching fellows will be sending out a sample concept sheet, although you may have already seen it from the website, but in addition to that, a series of instructions.

会有一位助教给大家发一篇论文模板,可能你们都在网站上看过了,不过除此之外,还有几项说明

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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