2016 President · CO
Gravis Marketing · fieldwork ended 2016-11-01 (7 days before the election) · 1,125 respondents · IVR/Online Panel
The poll said
Democrat 40% · Republican 40%
even
The certified result
Democrat 48.16% · Republican 43.25%
D+4.9
The arithmetic
- Poll margin = 40 − 40 = 0.00
- Actual margin = 48.157 − 43.251 = 4.906
- Signed miss = 0.00 − (4.906) = -4.906
- Absolute miss = |-4.906| = 4.906
The poll overstated the Republican by 4.9 points and showed a tie.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48366, race ID 607 (538 database).