2012 President · TN
YouGov · fieldwork ended 2012-11-02 (4 days before the election) · 697 respondents · Online Panel
The poll said
Democrat 42% · Republican 53%
R+11.0
The certified result
Democrat 39.08% · Republican 59.48%
R+20.4
The arithmetic
- Poll margin = 42 − 53 = -11.00
- Actual margin = 39.076 − 59.479 = -20.403
- Signed miss = -11.00 − (-20.403) = 9.403
- Absolute miss = |9.403| = 9.403
The poll overstated the Democrat by 9.4 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 30690, race ID 695 (538 database).