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单词 Data sample
释义

Data sample

原声例句
经济学人(视频版)

For conservationists, AI has revolutionised the time-consuming task of scanning through images, sound recordings and other data samples.

对于自然资源保护主义者来说,人工智能彻底改变了耗时的扫描图像、录音以及其他数据样本任务。

科学60秒-科学美国人 2022年2月合集

His data sample consisted of adult males around 21 years old, who were born in 15 European countries between 1856 and 1980.

他的数据样本包括了21岁左右的成年男性,他们在1856年至1980年间出生于15个欧洲国家。

可汗学院:统计学(视频版)

In the next video, we'll actually look at some data samples and calculate their regression line.

在下一个视频中,我们将实际查看一些数据样本并计算它们的回归线。

可汗学院:统计学(视频版)

But it's completely possible that the population mean is outside of your data sample.

但总体均值完全有可能在您的数据样本之外。

耶鲁大学公开课:心理学导论

They're a heavily averaged male face and a heavily averaged female face, both from a Caucasian data sample.

他们是一张高度平均的男性面孔和一张高度平均的女性面孔,两者都来自白人数据样本。

新奇事件簿

The Emirates Mars Mission will stay in the Martian orbit for 687 days. It will collect data samples of the Martian atmosphere to analyse.

阿联酋希望号火星探测器将在火星轨道上停留687天。其将收集火星大气层的样本数据以供分析。

可汗学院:统计学(视频版)

But there's a reasonable chance that your sample mean-- your sample mean is always going to be within your data sample, right?

但是你的样本均值很有可能——你的样本均值总是在你的数据样本内,对吧?

可汗学院:统计学(视频版)

And then with that assumption that the null hypothesis is correct, we're going to see what is the probability of getting this sample data right over here.

然后假设零假设是正确的,我们将看看在这里得到这个样本数据的概率是多少。

英语百科

Sample (statistics)

A visual representation of selecting a simple random sample.

In statistics and quantitative research methodology, a data sample is a set of data collected and/or selected from a statistical population by a defined procedure. The elements of a sample are known as sample points, sampling units or observations.

Typically, the population is very large, making a census or a complete enumeration of all the values in the population impractical or impossible. The sample usually represents a subset of manageable size. Samples are collected and statistics are calculated from the samples so that one can make inferences or extrapolations from the sample to the population. The data sample may be drawn from a population without replacement, in which case it is a subset of a population; or with replacement, in which case it is a multisubset.

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更新时间:2025/6/20 0:24:03