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。
The interviews were given to a random sample of students.
随机抽选出部分学生进行了采访。
That way you will get a random sample.
这样，你将会得到一个随机抽样调查。
For example, how do you get a random sample?
例如其中一个问题就是，你如何能获得一份随机的样本？
Test random sample from a normal distribution.
测试来自正态分布的随机抽样。
Given a random sample and determine the category.
随机给出一个样本并判别类别。
Try to a achieve a random sample of the target audience.
尽量取得目标群体的随机抽样。
There are many ways to generate a random sample of K systems.
有许多方法可以生成K 个系统的一个随机样本。
And so, I began to think about, well, maybe that's just a random sample.
因此，我开始想，也许这只是个特例。
Say we take a random sample of one million people from around the planet and put them on a corner in New York City.
比如说，从100万人中随便找一个人让他待在纽约城的拐角。
With increasing sample size, random variations of the effect are smaller.
随着样本量的增加，作用的随机变化减小。
They sample 2, 000 people at random to test the new drink.
他们随意请来了2,000人来尝试这种新饮料。
They sample 2, 000 people at random to test the new drink.
他们随意请来了2,000人来尝试这种新饮料。
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