Unverified50% confidenceFactExact time
The standard sample size for most national polls is between 1,000 and 1,500 people, with the margin of error typically kept within ±3 percentage points.
1
Sources
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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