In addition to sampling error, question wording and practical difficulties in conducting surveys can introduce error or bias into the findings of survey data.
除了采样误差，在调查中提问的措辞和一些实际困难也会导致在采集数据中产生误差或偏差。
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。
So in theory this survey is picking up, with a wide range of statistical sampling error, the number of people who work as reporters and correspondents, whether or not that is their actual title.
因此，从理论上来说，此次调查虽然伴随着大量的统计样本错误，但是仍在挑选出职业为报道员和记者的人数，无论这是否是他们真正的头衔。
The survey, which has a sampling error of plus or minus two percent, found that 35 percent of the respondents believed in UFOs and 31 percent in witches.
这项调查抽样误差在正负百分之二，35%的受访者相信飞碟，而31%的人相信巫术。
The survey, which has a sampling error of plus or minus two percent, found that 35 percent of the respondents believed in UFOs and 31 percent in witches.
这项调查抽样误差在正负百分之二，35%的受访者相信飞碟，而31%的人相信巫术。
应用推荐