2016 President · CT
YouGov · fieldwork ended 2016-10-20 (19 days before the election) · 955 respondents · Online Panel
The poll said
Democrat 46.6% · Republican 35.8%
D+10.8
The certified result
Democrat 54.57% · Republican 40.93%
D+13.6
The arithmetic
- Poll margin = 46.6 − 35.8 = 10.80
- Actual margin = 54.566 − 40.927 = 13.639
- Signed miss = 10.80 − (13.639) = -2.839
- Absolute miss = |-2.839| = 2.839
The poll overstated the Republican by 2.8 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48725, race ID 608 (538 database).