2016 President · WA
SurveyUSA · fieldwork ended 2016-11-01 (7 days before the election) · 681 respondents · IVR/Online Panel
The poll said
Democrat 50% · Republican 38%
D+12.0
The certified result
Democrat 52.54% · Republican 36.83%
D+15.7
The arithmetic
- Poll margin = 50 − 38 = 12.00
- Actual margin = 52.539 − 36.833 = 15.706
- Signed miss = 12.00 − (15.706) = -3.706
- Absolute miss = |-3.706| = 3.706
The poll overstated the Republican by 3.7 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48365, race ID 649 (538 database).