In addition to sampling error, the practical difficulties of conducting any survey of public opinion may introduce other sources of error into the poll.
除了样本误差外，全国性的公众意见的调查操作上的困难也会导致误差。
The antidotes for solving these problems in our country's public opinion survey report are the folio wings. Firstly, probability sampling should become main sampling method in public opinion survey.
解决当前我国民意调查报道中的主要问题的对策是：一是概率抽样应成为民意调查抽样的主要方式；
If an opinion on the bulk is requested special arrangements in writing must be made in advance with the Company for the inspection and sampling of the bulk.
如果要求对抽样总体出具意见，则必须针对抽样总体的检验和抽样，提前与本公司制定有关的书面安排。
In addition to sampling error, question wording and practical difficulties in conducting surveys can introduce error or bias into the findings of public opinion polls.
除了取样错误之外，问题之文字表述、实际执行之困难亦会造成错误或偏诱，以致结果失真。
Gallup was an American statistician who invented the Gallup Poll, a successful statistical method of survey sampling for measuring public opinion.
这位美国的统计学家是盖洛普民意测验的首创者。盖洛普民意测验是为了测量民意对其调查样本进行统计的科学方法。
Gallup was an American statistician who invented the Gallup Poll, a successful statistical method of survey sampling for measuring public opinion.
这位美国的统计学家是盖洛普民意测验的首创者。盖洛普民意测验是为了测量民意对其调查样本进行统计的科学方法。
应用推荐