2016 Governor · OR
DHM Research · fieldwork ended 2016-10-27 (12 days before the election) · 504 respondents · Live Phone
The poll said
Democrat 42% · Republican 33%
D+9.0
The certified result
Democrat 50.62% · Republican 43.45%
D+7.2
The arithmetic
- Poll margin = 42 − 33 = 9.00
- Actual margin = 50.617 − 43.453 = 7.164
- Signed miss = 9.00 − (7.164) = 1.836
- Absolute miss = |1.836| = 1.836
The poll overstated the Democrat by 1.8 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48017, race ID 55 (538 database).