2016 President · SC
SurveyMonkey · fieldwork ended 2016-10-28 (11 days before the election) · 1,762 respondents · Online Panel
The poll said
Democrat 43% · Republican 45%
R+2.0
The certified result
Democrat 40.67% · Republican 54.94%
R+14.3
The arithmetic
- Poll margin = 43 − 45 = -2.00
- Actual margin = 40.673 − 54.939 = -14.266
- Signed miss = -2.00 − (-14.266) = 12.266
- Absolute miss = |12.266| = 12.266
The poll overstated the Democrat by 12.3 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 47923, race ID 642 (538 database).