2012 President · NJ
YouGov · fieldwork ended 2012-11-02 (4 days before the election) · 987 respondents · Online Panel
The poll said
Democrat 53% · Republican 41%
D+12.0
The certified result
Democrat 58.34% · Republican 40.62%
D+17.7
The arithmetic
- Poll margin = 53 − 41 = 12.00
- Actual margin = 58.342 − 40.624 = 17.718
- Signed miss = 12.00 − (17.718) = -5.719
- Absolute miss = |-5.719| = 5.719
The poll overstated the Republican by 5.7 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 30696, race ID 684 (538 database).