2004 President · TN
Zogby Analytics · fieldwork ended 2004-10-28 (5 days before the election) · 1,210 respondents · Online Panel
The poll said
Democrat 47.1% · Republican 50.4%
R+3.3
The certified result
Democrat 42.52% · Republican 56.80%
R+14.3
The arithmetic
- Poll margin = 47.1 − 50.4 = -3.30
- Actual margin = 42.525 − 56.799 = -14.274
- Signed miss = -3.30 − (-14.274) = 10.974
- Absolute miss = |10.974| = 10.974
The poll overstated the Democrat by 11.0 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 63863, race ID 797 (538 database).