2010 Senate · FL
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2010-10-27 (6 days before the election) · 750 respondents · IVR
The poll said
Democrat 16% · Republican 50%
R+34.0
The certified result
Democrat 20.20% · Republican 48.90%
R+28.7
The arithmetic
- Poll margin = 16 − 50 = -34.00
- Actual margin = 20.198 − 48.895 = -28.697
- Signed miss = -34.00 − (-28.697) = -5.303
- Absolute miss = |-5.303| = 5.303
The poll overstated the Republican by 5.3 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 32747, race ID 1514 (538 database).