2016 President · CA
SurveyMonkey · fieldwork ended 2016-10-28 (11 days before the election) · 2,505 respondents · Online Panel
The poll said
Democrat 55% · Republican 30%
D+25.0
The certified result
Democrat 61.73% · Republican 31.62%
D+30.1
The arithmetic
- Poll margin = 55 − 30 = 25.00
- Actual margin = 61.726 − 31.617 = 30.109
- Signed miss = 25.00 − (30.109) = -5.109
- Absolute miss = |-5.109| = 5.109
The poll overstated the Republican by 5.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 47887, race ID 606 (538 database).