2006 Governor · WI
Zogby Analytics · fieldwork ended 2006-10-25 (13 days before the election) · 845 respondents · Online Panel
The poll said
Democrat 46.7% · Republican 47.2%
R+0.5
The certified result
Democrat 52.70% · Republican 45.31%
D+7.4
The arithmetic
- Poll margin = 46.7 − 47.2 = -0.50
- Actual margin = 52.695 − 45.308 = 7.387
- Signed miss = -0.50 − (7.387) = -7.887
- Absolute miss = |-7.887| = 7.887
The poll overstated the Republican by 7.9 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 25065, race ID 1360 (538 database).