It's not a random sample of the anti-vax argument.

这并不是反疫苗论点的随机样本。

So what you do is you survey a random sample of that population and then you can calculate statistics on that sample that hopefully can estimate the population as a whole.

因此，你所做的是对那部分人群进行随机抽样调查，然后基于这个样本计算统计数，这些数能够整体估算出该人群的情况。

Our recently published study answered this question by tracking a large national random sample of Americans over a critical time period when bodies change from teenage shape into adult form and when people build their identities.

我们最近发表的一研究通过追踪一个关键时内全国随机抽取的大量美国人的样本回答了这个题，在这个时，人们的体型从青少年形转变为成人形，同时也是人们建立自我身份的时。

And it turns out, since you use five packs, so it isn't a random sample, if you've been doing well, any sensible updating will say you're going to do worse in the future.

结果表明， 由于你使用了五包，所以这不是一个随机样本。 如果你一直表现良好，任何合理的更新都会预测你未来表现会变差。

Let's look at choice C or problem part C. The annual salaries of a random sample of 50 CEOs of major companies, 25 women and 25 men.

让我们看看选C题部分C。一家大型公司随机抽取的50名首席执行官的年薪，其中25名女性和25名男性。

We are confident that there is a 99% chance that a random x, a random sample mean, is within-- and let's figure out this value right here using a calculator.

我们有信心，随机选取的样本均值x有99%的概率落在——让我们用计算器算出这个值。

These are not people who have sought treatment for depression but just a random community sample.

这些不是寻求抑郁症治疗的人，而只是随机社区样本。

Yes, I know there are a lot of internationals there too, but I think a random sample from foreign students on campus might give us a better range of answers.

是的，我知道那里也有很多国际学生，但我认为从校园里的外国学生中随机抽取样本可能会给我们更好的答案。

How do we create a random sample?

我们如何创建一个随机样本？

If we took a random sample of a million people who majored in math, the subset who are portrait artists might be relatively small.

如果我们随机抽取 100 万个数学专业的人，其中是肖像画家的子集可能相对较小。

These were cross-sectional surveys, self-report, with no non-athlete control groups, and they weren't random samples of athletes.

这些是横断面调查, 自我报告, 没有非运动员对照组, 也不是运动员的随机样本。

You actually want to take a random sample.

你实际上想随机抽样。

Out of a random sample of drivers, 21% had been in an accident in the previous year.

【sample】在随机抽样调查的驾驶员中，有 21% 曾在上一年发生过事故。

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?

When we took these 7 samples and took their mean, that mean can be viewed as a random sample from the sampling distribution.

当我们取这7个样本并计算它们的均值时，这个均值可以被视为来自抽样分布的一个随机样本。

The research involves collecting data from two random samples.

【data】该研究需要从两个随机样本里收集资料。

So if you take a random sample, and that's exactly what we did when we found these 7 samples.

所以如果你抽取一个随机样本，而这正是我们在找到这7个样本时所做的。

In 1982, American sociologists Karl Alexander and Doris Entwisle began following the lives of a random sample of 800 first grade students growing up in a variety of neighborhoods in the Baltimore area.

1982年，美国社会学家卡尔·亚历山大和多丽丝·恩特威斯尔开始追踪800名一年级学生的成长历程，这些学生随机选取自巴尔的摩地区各种不同社区。

Jones offers a litany of snippets from Charlie's conversations, grabbing, without context, a random sample of his thoughts.

琼斯提供了一系列来自查理对话的片段，断章取义地抓取了他的一些随想。

We chose a random sample of teenagers from Jiangsu province from a typical public middle school, and we considered this group to be representative of teenagers in urban China.

我们随机选取江苏省某典型公立中学的青少年作为样本，认为这一群体可以代表中国城市的青少年。