2004 President · AR
Zogby Analytics · fieldwork ended 2004-10-15 (18 days before the election) · 520 respondents · Online Panel
The poll said
Democrat 48.4% · Republican 49.7%
R+1.3
The certified result
Democrat 44.55% · Republican 54.31%
R+9.8
The arithmetic
- Poll margin = 48.4 − 49.7 = -1.30
- Actual margin = 44.548 − 54.306 = -9.758
- Signed miss = -1.30 − (-9.758) = 8.458
- Absolute miss = |8.458| = 8.458
The poll overstated the Democrat by 8.5 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 63833, race ID 757 (538 database).