2004 President · national
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2004-10-22 (11 days before the election) · 3,000 respondents · IVR
The poll said
Democrat 47.2% · Republican 47.6%
R+0.4
The certified result
Democrat 48.13% · Republican 50.57%
R+2.4
The arithmetic
- Poll margin = 47.2 − 47.6 = -0.40
- Actual margin = 48.130 − 50.573 = -2.443
- Signed miss = -0.40 − (-2.443) = 2.044
- Absolute miss = |2.044| = 2.044
The poll overstated the Democrat by 2.0 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 77274, race ID 39 (538 database).