2004 President · KY
SurveyUSA · fieldwork ended 2004-10-29 (4 days before the election) · 636 respondents · IVR
The poll said
Democrat 38% · Republican 59%
R+21.0
The certified result
Democrat 39.69% · Republican 59.55%
R+19.9
The arithmetic
- Poll margin = 38 − 59 = -21.00
- Actual margin = 39.687 − 59.550 = -19.863
- Signed miss = -21.00 − (-19.863) = -1.138
- Absolute miss = |-1.138| = 1.138
The poll overstated the Republican by 1.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 4351, race ID 772 (538 database).