The principle for taking samples is for it not to linger.

采集样本的原则是不要逗留太久。

REPORTER: Mapping, taking rock samples and filming underwater all help build a bigger picture of what happened here.

绘制地图、采集岩石样本、水下拍摄，这些都有助于我们对这里发生的事情有一个更全面的了解。

The divers take photos of the reef during their mission while also measuring and taking samples to study it further.

潜水员在执行任务期间拍摄珊瑚礁的照片，同时测量并采集样本对其进行进一步研究。

So most researchers estimated their diets through the chemical markers that they can ethically access by taking small skin samples.

因此，大多数研究人员通过化学标志物来估计大白鲨的饮食，这些化学标志物可以从小块皮肤样本上道德地获取。

So I'm taking 16 samples, plot it there.

所以我取了 16 个样本，把它画在那里。

You're taking 10 samples and finding its mean.

您正在采集 10 个样本并求其平均值。

Geologists are taking rock samples from the al-Hajjar Mountains.

地质学家正在从 al-Hajjar 山脉采集岩石样本。

But we're taking four samples from here.

但我们要从这里取四个样本。

You could view it as taking a sample from this distribution over here.

你可以把它看作是从这里的这个分布中抽取样本。

The study built up a genetic database by taking blood samples from animals as diverse as tiny mouse lemurs, the gibbons and gorillas.

这项研究通过采集各种动物的血液样本建立了一个基因数据库，这些动物包括小鼠狐猴、长臂猿和大猩猩。

Where it's equivalent to taking a sample from the sampling distribution.

它相当于从抽样分布中抽取样本。

We're only taking its sample mean into consideration.

我们只考虑其样本均值。

When we got this sample proportion, it was like taking a sample from this over here.

当我们拿到这个样本比例的时候，就像是从这边抽样一样。

And what I'm going to do is I'm going to keep taking these samples.

我要做的是继续采集这些样本。

You're taking 12 samples, taking its mean.

您正在采集 12 个样本，取其平均值。

And sometimes this can get confusing, because you are taking samples of averages based on samples.

有时这会让人感到困惑，因为您是根据样本获取平均值的样本。

Then you're taking m samples from this population distribution up here, taking its mean.

然后你从这里的这个人口分布中抽取 m 个样本，取其平均值。

Now what we do is we're taking a sample of those 250 teachers, and we got that 142 felt that the computers were an essential teaching tool.

现在我们要做的是从这 250 名教师中抽取样本，我们得到 142 名教师认为计算机是必不可少的教学工具。

The device is a patch type that enables diabetic patients to monitor blood sugar levels via sweat without taking blood samples and injections, as well as to control glucose levels by injecting medication.

这种贴片让糖尿病患者能够通过汗水而不必提取血样进行注射监测血糖水平, 而且通过注射药物控制血糖水平。

So what z is, z is a random variable where you're taking n samples from this distribution up here, this population distribution, taking its mean.

那么 z 是什么，z 是一个随机变量， 你从这里的这个分布中抽取 n 个样本， 这个人口分布， 取它的均值。