2008 House · KY-3
SurveyUSA · fieldwork ended 2008-10-14 (21 days before the election) · 613 respondents · IVR
The poll said
Democrat 57% · Republican 41%
D+16.0
The certified result
Democrat 59.37% · Republican 40.63%
D+18.7
The arithmetic
- Poll margin = 57 − 41 = 16.00
- Actual margin = 59.365 − 40.635 = 18.730
- Signed miss = 16.00 − (18.730) = -2.731
- Absolute miss = |-2.731| = 2.731
The poll overstated the Republican by 2.7 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 64331, race ID 4193 (538 database).