2012 President · NY
SurveyUSA · fieldwork ended 2012-10-24 (13 days before the election) · 554 respondents · IVR/Online Panel
The poll said
Democrat 62% · Republican 33%
D+29.0
The certified result
Democrat 60.76% · Republican 31.24%
D+29.5
The arithmetic
- Poll margin = 62 − 33 = 29.00
- Actual margin = 60.761 − 31.242 = 29.519
- Signed miss = 29.00 − (29.519) = -0.519
- Absolute miss = |-0.519| = 0.519
The poll overstated the Republican by 0.5 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 30372, race ID 687 (538 database).