2004 Senate · NC
Scott Rasmussen (Rasmussen Reports) · fieldwork ended 2004-10-20 (13 days before the election) · 500 respondents · IVR
The poll said
Democrat 45% · Republican 49%
R+4.0
The certified result
Democrat 47.02% · Republican 51.60%
R+4.6
The arithmetic
- Poll margin = 45 − 49 = -4.00
- Actual margin = 47.019 − 51.596 = -4.577
- Signed miss = -4.00 − (-4.577) = 0.577
- Absolute miss = |0.577| = 0.577
The poll overstated the Democrat by 0.6 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 25251, race ID 1636 (538 database).