Unverified50% confidenceEventExact time
In the 2020 election, polls correctly predicted the presidential winner, but the average polling error expanded to approximately 4 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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