2012 President · MN
SurveyUSA · fieldwork ended 2012-11-02 (4 days before the election) · 556 respondents · IVR/Online Panel
The poll said
Democrat 52% · Republican 41%
D+11.0
The certified result
Democrat 52.65% · Republican 44.96%
D+7.7
The arithmetic
- Poll margin = 52 − 41 = 11.00
- Actual margin = 52.652 − 44.958 = 7.694
- Signed miss = 11.00 − (7.694) = 3.306
- Absolute miss = |3.306| = 3.306
The poll overstated the Democrat by 3.3 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 30735, race ID 676 (538 database).