2002 Senate · TX
SurveyUSA · fieldwork ended 2002-10-31 (5 days before the election) · 683 respondents · IVR
The poll said
Democrat 45% · Republican 53%
R+8.0
The certified result
Democrat 43.33% · Republican 55.30%
R+12.0
The arithmetic
- Poll margin = 45 − 53 = -8.00
- Actual margin = 43.326 − 55.300 = -11.974
- Signed miss = -8.00 − (-11.974) = 3.973
- Absolute miss = |3.973| = 3.973
The poll overstated the Democrat by 4.0 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 54973, race ID 1679 (538 database).