The population sampling survey, conducted by Shanghai Municipal Statistics Bureau, reveals a rapid rise in the size of the unmarried population, especially women.

上海市统计局开展的一项人口抽样调查显示，上海未婚人口数量正在迅速上升，尤其是未婚女性数量。

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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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Any discrepancies between the observed and expected frequencies can be accounted for as expected sampling variability from the same population of Nova Scotia beer drinkers.

观察频率和期望频率之间的任何差异都可以解释为新斯科舍省相同啤酒消费者的期望抽样可变性。

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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

If it used these sampling methods, the Census Bureau says, there is a 90% chance that its estimate of America's population would be within 0.1% of the true number.

ECONOMIST: Statistics