2016 President · OH
SurveyMonkey · fieldwork ended 2016-11-04 (4 days before the election) · 2,860 respondents · Online Panel
The poll said
Democrat 42% · Republican 45%
R+3.0
The certified result
Democrat 43.56% · Republican 51.69%
R+8.1
The arithmetic
- Poll margin = 42 − 45 = -3.00
- Actual margin = 43.558 − 51.688 = -8.130
- Signed miss = -3.00 − (-8.130) = 5.130
- Absolute miss = |5.130| = 5.130
The poll overstated the Democrat by 5.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48895, race ID 637 (538 database).