2010 Senate · FL
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2010-10-18 (15 days before the election) · 750 respondents · IVR
The poll said
Democrat 20% · Republican 43%
R+23.0
The certified result
Democrat 20.20% · Republican 48.90%
R+28.7
The arithmetic
- Poll margin = 20 − 43 = -23.00
- Actual margin = 20.198 − 48.895 = -28.697
- Signed miss = -23.00 − (-28.697) = 5.697
- Absolute miss = |5.697| = 5.697
The poll overstated the Democrat by 5.7 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 32593, race ID 1514 (538 database).