Although random sampling used for many surveys fails to cover large segments of the population, the procedure nonetheless offers insight into voting and consumption patterns.

虽然许多调查所用的随机取样不能覆盖大部分人口，但是这一过程使人们能更深刻地理解选举和消费的模式。

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Most statisticians would not argue if you decided to reject the null hypothesis that the results can be accounted for in terms of random sampling variability from the null distribution.

如果您决定 排除虚假设— 结果可以按照零分布的随机抽样可变性获得，那么大多数统计师都不会有争议。

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In this project the group categorized a random sampling of blog posts and weighed words for their emotional charge.

在这个研究项目中，研究团队会对随机抽样的博客文章进行分类，并对包含情绪词汇进行衡量。

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The 2011 GEM report is based on a survey of 140, 000 adults in 54 economies, including 6, 000 just in the U.S. Researchers looked at responses from a random sampling of participants, as well as population data for each of the countries represented, to draw conclusions about entrepreneurial activity in those nations.

WSJ: Rise in Start-Ups Draws Doubters