2020 President · WI
Susquehanna Polling & Research Inc. · fieldwork ended 2020-10-30 (4 days before the election) · 450 respondents · Live Phone
The poll said
Democrat 49% · Republican 46%
D+3.0
The certified result
Democrat 49.45% · Republican 48.82%
D+0.6
The arithmetic
- Poll margin = 49 − 46 = 3.00
- Actual margin = 49.450 − 48.822 = 0.628
- Signed miss = 3.00 − (0.628) = 2.373
- Absolute miss = |2.373| = 2.373
The poll overstated the Democrat by 2.4 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 72419, race ID 6259 (538 database).