2016 President · OR
SurveyMonkey · fieldwork ended 2016-10-28 (11 days before the election) · 743 respondents · Online Panel
The poll said
Democrat 51% · Republican 36%
D+15.0
The certified result
Democrat 50.07% · Republican 39.09%
D+11.0
The arithmetic
- Poll margin = 51 − 36 = 15.00
- Actual margin = 50.072 − 39.094 = 10.978
- Signed miss = 15.00 − (10.978) = 4.022
- Absolute miss = |4.022| = 4.022
The poll overstated the Democrat by 4.0 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 47920, race ID 639 (538 database).