تصفح Social & Economic Survey Research Institute حسب الموضوع "Calculating Sampling Error"
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Practical Guidance on Calculating Sampling Error in Election Polls
( American Association for Public Opinion Research , 2013 , Article)In election poll results, the proportions favoring candidates and the survey sampling error are usually reported. However, it is hard to assess if the gap between any two candidates is statistically significant or not based ...