2016 President · CO
Ipsos · fieldwork ended 2016-10-30 (9 days before the election) · 536 respondents · Online Panel
The poll said
Democrat 47.71% · Republican 42.33%
D+5.4
The certified result
Democrat 48.16% · Republican 43.25%
D+4.9
The arithmetic
- Poll margin = 47.71 − 42.33 = 5.38
- Actual margin = 48.157 − 43.251 = 4.906
- Signed miss = 5.38 − (4.906) = 0.474
- Absolute miss = |0.474| = 0.474
The poll overstated the Democrat by 0.5 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48704, race ID 607 (538 database).