2012 President · OH
We Ask America · fieldwork ended 2012-10-31 (6 days before the election) · 1,649 respondents · IVR
The poll said
Democrat 50.2% · Republican 45.8%
D+4.4
The certified result
Democrat 50.67% · Republican 47.69%
D+3.0
The arithmetic
- Poll margin = 50.2 − 45.8 = 4.40
- Actual margin = 50.667 − 47.688 = 2.979
- Signed miss = 4.40 − (2.979) = 1.422
- Absolute miss = |1.422| = 1.422
The poll overstated the Democrat by 1.4 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 30594, race ID 688 (538 database).