2010 Senate · CT
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2010-10-31 (2 days before the election) · 750 respondents · IVR
The poll said
Democrat 53% · Republican 46%
D+7.0
The certified result
Democrat 52.48% · Republican 43.22%
D+9.3
The arithmetic
- Poll margin = 53 − 46 = 7.00
- Actual margin = 52.484 − 43.217 = 9.267
- Signed miss = 7.00 − (9.267) = -2.267
- Absolute miss = |-2.267| = 2.267
The poll overstated the Republican by 2.3 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 32810, race ID 1512 (538 database).