2020 President · MO
SurveyMonkey · fieldwork ended 2020-10-26 (8 days before the election) · 2,926 respondents · Online Panel
The poll said
Democrat 44% · Republican 54%
R+10.0
The certified result
Democrat 41.41% · Republican 56.80%
R+15.4
The arithmetic
- Poll margin = 44 − 54 = -10.00
- Actual margin = 41.409 − 56.800 = -15.391
- Signed miss = -10.00 − (-15.391) = 5.391
- Absolute miss = |5.391| = 5.391
The poll overstated the Democrat by 5.4 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 72836, race ID 6235 (538 database).