Unverified50% confidenceFactExact time
The margin of error only reflects the uncertainty introduced by sampling and cannot encompass non-sampling errors, such as question wording bias, non-response bias, coverage bias, and social desirability bias.
1
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50%
Confidence
Long-term
Relevance
8/4/2026
First Seen
Sources
误差范围是什么意思？教你正确解读民调数据的准确性
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