2020 President · national
AtlasIntel · fieldwork ended 2020-10-27 (7 days before the election) · 1,726 respondents · Online Panel
The poll said
Democrat 50.9% · Republican 46.2%
D+4.7
The certified result
Democrat 51.07% · Republican 46.67%
D+4.4
The arithmetic
- Poll margin = 50.9 − 46.2 = 4.70
- Actual margin = 51.068 − 46.672 = 4.396
- Signed miss = 4.70 − (4.396) = 0.304
- Absolute miss = |0.304| = 0.304
The poll overstated the Democrat by 0.3 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 72216, race ID 6210 (538 database).