2008 House · TX-22
Zogby Analytics · fieldwork ended 2008-10-21 (14 days before the election) · 404 respondents · Online Panel
The poll said
Democrat 36% · Republican 53%
R+17.0
The certified result
Democrat 45.36% · Republican 52.43%
R+7.1
The arithmetic
- Poll margin = 36 − 53 = -17.00
- Actual margin = 45.360 − 52.427 = -7.067
- Signed miss = -17.00 − (-7.067) = -9.933
- Absolute miss = |-9.933| = 9.933
The poll overstated the Republican by 9.9 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 64426, race ID 4414 (538 database).