2016 President · AK
Gravis Marketing · fieldwork ended 2016-11-05 (3 days before the election) · 617 respondents · IVR/Online Panel
The poll said
Democrat 41% · Republican 44%
R+3.0
The certified result
Democrat 36.55% · Republican 51.28%
R+14.7
The arithmetic
- Poll margin = 41 − 44 = -3.00
- Actual margin = 36.551 − 51.282 = -14.731
- Signed miss = -3.00 − (-14.731) = 11.731
- Absolute miss = |11.731| = 11.731
The poll overstated the Democrat by 11.7 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48849, race ID 602 (538 database).