2012 Senate · FL
YouGov · fieldwork ended 2012-11-02 (4 days before the election) · 1,621 respondents · Online Panel
The poll said
Democrat 50% · Republican 44%
D+6.0
The certified result
Democrat 55.23% · Republican 42.23%
D+13.0
The arithmetic
- Poll margin = 50 − 44 = 6.00
- Actual margin = 55.232 − 42.226 = 13.006
- Signed miss = 6.00 − (13.006) = -7.006
- Absolute miss = |-7.006| = 7.006
The poll overstated the Republican by 7.0 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 30711, race ID 1477 (538 database).