2020 President · AZ
RMG Research · fieldwork ended 2020-10-16 (18 days before the election) · 800 respondents · Text
The poll said
Democrat 47% · Republican 46%
D+1.0
The certified result
Democrat 49.37% · Republican 49.06%
D+0.3
The arithmetic
- Poll margin = 47 − 46 = 1.00
- Actual margin = 49.365 − 49.056 = 0.309
- Signed miss = 1.00 − (0.309) = 0.691
- Absolute miss = |0.691| = 0.691
The poll overstated the Democrat by 0.7 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 71461, race ID 6214 (538 database).