2004 President · national
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2004-10-13 (20 days before the election) · 3,000 respondents · IVR
The poll said
Democrat 45.5% · Republican 49%
R+3.5
The certified result
Democrat 48.13% · Republican 50.57%
R+2.4
The arithmetic
- Poll margin = 45.5 − 49 = -3.50
- Actual margin = 48.130 − 50.573 = -2.443
- Signed miss = -3.50 − (-2.443) = -1.056
- Absolute miss = |-1.056| = 1.056
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 77281, race ID 39 (538 database).