2012 Governor · WA
SurveyUSA · fieldwork ended 2012-10-30 (7 days before the election) · 555 respondents · IVR/Online Panel
The poll said
Democrat 47% · Republican 46%
D+1.0
The certified result
Democrat 51.54% · Republican 48.46%
D+3.1
The arithmetic
- Poll margin = 47 − 46 = 1.00
- Actual margin = 51.539 − 48.461 = 3.078
- Signed miss = 1.00 − (3.078) = -2.079
- Absolute miss = |-2.079| = 2.079
The poll overstated the Republican by 2.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 30543, race ID 1267 (538 database).