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sampling error of plus
Tradução de "sampling error of plus" em chinês
抽样误差为正负
The study was conducted with a probability-based online panel by GfK, a research company. The data was collected May 20 to June 12 and has a sampling error of plus or minus four percentage points.
开展该研究的依据是调查公司捷孚凯（GfK）提供的一个基于概率的在线样本库。数据的收集时间是5月20日至6月12日，抽样误差为正负四个百分点。
Both results are within the poll's margin of sampling error of plus or minus three percentage points. But it is the first time Mr. Romney has shown a numeric edge in the Times/CBS poll since he emerged from the primaries as the presumptive nominee. Mr. Obama had a three-point advantage in March. The two were each favored by 46 percent in April.
这次民调的抽样误差区间为正负三个百分点。以上两项民调结果都处在抽样误差区间之内。不过，自罗姆尼从总统预选中胜出并获得候选人提名，这是他第一次在《纽约时报》和哥伦比亚广播公司的联合民调中取得数字上的优势。3月的民调显示当时奥巴马领先罗姆尼三个百分点。4月里，两人的支持率都是46%。
Nearly two-thirds of Brazilians - 63 percent - think hosting the Olympics will hurt the country, according to a recent survey by the polling company 16 percent said they were enthusiastic about the games, while 51 percent said they had no interest in them. (The poll, conducted on July 14-15 in interviews with 2,792 people, had a margin of sampling error of plus or minus 2 percentage points.)
民意调查公司Datafolha近期举行的一项调查显示，将近三分之二巴西人 - 具体是63% - 认为举办奥运会有损于巴西。只有16%的受访者说自己热切期盼奥运会，51%的人则表示他们对奥运会毫无兴趣。（调查是在7月14日和15日进行的，共有2792名受访者，抽样误差为正负两个百分点）。
A surge of support for the movement after the police fired tear gas on the protesters in late September has faded. A poll conducted by the University of Hong Kong and released in mid-November found that almost 55 percent of people surveyed opposed Occupy Central and that more than four in five wanted the demonstrations to end. The poll of 513 people was conducted Nov. 17 to 18 and had a margin of sampling error of plus or minus 4.4 percentage points.
9月末，警方对抗议者施放催泪瓦斯的举动使得该运动获得民众的大力支持，然而如今这种支持已经减弱了。香港大学于11月中旬公布的民调结果显示，将近55%的受访者反对"占中"，逾五分之四的受访者希望结束示威活动。此次民调于11月17日至18日开展，共有513人应答，抽样误差区间为正负4.4个百分点。
In Florida, the overall race has narrowed considerably from a month ago, with Mr. Obama now the choice of 48 percent to 47 percent for Mr. Romney. In Virginia, Mr. Obama has 49 percent, with 47 percent for Mr. Romney. The results in each state have a margin of sampling error of plus or minus three percentage points.
在佛罗里达州，竞选局势比一个月之前胶着了许多，现在有48%的受访者支持奥巴马、47%的受访者支持罗姆尼。在弗吉尼亚州，奥巴马的支持率是49%，而罗姆尼是47%。每个州的结果都有正负三个百分点的抽样误差。
A nationwide poll of likely voters from The New York Times and CBS News, which was released Tuesday evening, found that more voters now view Mr. Romney as a stronger leader on the economy and Mr. Obama as a better guardian of the middle class. The president was the choice of 48 percent, with 47 percent for Mr. Romney. The poll had a margin of sampling error of plus or minus four percentage points.
《纽约时报》和CBS新闻频道对可能投票的选民发起了全国性民调，在周二晚间发布的结果显示，现在有更多选民认为罗姆尼在经济方面是更强的领导人，而奥巴马是中产阶级的更佳保护者。48%的受访者支持总统，而47%的受访者支持罗姆尼。该调查的抽样误差范围是正负四个百分点。
The survey has a margin of sampling error of plus or minus four to five percentage points at the 95 percent confidence level. The Index and its accompanying reports do not represent MasterCard's financial performance. MasterCard and its Suite of Research Properties
这份调查在95%的信心水平中有4 % - 5%左右的样本误差。 这份指数及相关报告并不代表万事达卡的财政表现。 万事达卡及其有关亚太、中东及非洲地区调查系列
The poll, conducted on a rolling basis since late April by the University of Hong Kong, Polytechnic University and the Chinese University of Hong Kong, includes about 1,000 respondents and has a margin of sampling error of plus or minus three percentage points.
香港大学、香港理工大学和香港中文大学从4月底开始滚动调查，每次调查样本人数约为1000名，抽样误差为正负3个百分点。
Republican hopes were lifted by a new Des Moines Register poll Saturday showing Joni Ernst, their Iowa Senate nominee, taking a seven-point lead in a race for a Democratic-held seat. Yet, the lead is within the poll's margin of sampling error of plus or minus 4 percentage points.
共和党的希望因艾奥瓦州的一则好消息得到了提升。周六公布的《得梅因纪事报》（Des Moines Register）新民调显示，在该州目前由民主党占据的一个联邦参议院席位竞争中，共和党候选人约尼·厄恩斯特（Joni Ernst）拥有7个百分点的领先优势。然而，这一优势尚处于此次民调正负4个百分点取样误差的范围内。
A poll by the Kiev International Institute of Sociology, conducted April 29 to May 11, found Mr. Poroshenko supported by 34 percent of all voters, compared with 6 percent for Ms. Tymoshenko and 4 percent for Sergey Tigipko, a member of Parliament and former economics minister; 25 percent said they were undecided. The survey had a margin of sampling error of plus or minus three percentage points.
基辅国际社会学研究所（Kiev International Institute of Sociology）在4月29日至5月11日之间举行的调查显示，波罗申科得到了34%选民的支持，季莫申科则为6%。国会议员、前经济部长谢尔盖·季吉普科（Sergey Tigipko）支持率为4%，另有25%民众表示尚未确定投票意愿。这次调查的抽样误差为正负3个百分点。
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