2010 Senate · CT
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2010-10-24 (9 days before the election) · 750 respondents · IVR
The poll said
Democrat 56% · Republican 43%
D+13.0
The certified result
Democrat 52.48% · Republican 43.22%
D+9.3
The arithmetic
- Poll margin = 56 − 43 = 13.00
- Actual margin = 52.484 − 43.217 = 9.267
- Signed miss = 13.00 − (9.267) = 3.733
- Absolute miss = |3.733| = 3.733
The poll overstated the Democrat by 3.7 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 32643, race ID 1512 (538 database).