2000 House · WA-2
SurveyUSA · fieldwork ended 2000-10-21 (17 days before the election) · 500 respondents · IVR
The poll said
Democrat 50% · Republican 44%
D+6.0
The certified result
Democrat 50.01% · Republican 45.93%
D+4.1
The arithmetic
- Poll margin = 50 − 44 = 6.00
- Actual margin = 50.009 − 45.931 = 4.078
- Signed miss = 6.00 − (4.078) = 1.922
- Absolute miss = |1.922| = 1.922
The poll overstated the Democrat by 1.9 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 64264, race ID 2696 (538 database).