2012 Governor · WA
Public Policy Polling · fieldwork ended 2012-11-02 (4 days before the election) · 932 respondents · IVR
The poll said
Democrat 50% · Republican 48%
D+2.0
The certified result
Democrat 51.54% · Republican 48.46%
D+3.1
The arithmetic
- Poll margin = 50 − 48 = 2.00
- Actual margin = 51.539 − 48.461 = 3.078
- Signed miss = 2.00 − (3.078) = -1.079
- Absolute miss = |-1.079| = 1.079
The poll overstated the Republican by 1.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 30662, race ID 1267 (538 database).