2016 President · NC
YouGov · fieldwork ended 2016-10-20 (19 days before the election) · 2,916 respondents · Online Panel
The poll said
Democrat 43.5% · Republican 41.3%
D+2.2
The certified result
Democrat 46.17% · Republican 49.83%
R+3.7
The arithmetic
- Poll margin = 43.5 − 41.3 = 2.20
- Actual margin = 46.173 − 49.828 = -3.655
- Signed miss = 2.20 − (-3.655) = 5.855
- Absolute miss = |5.855| = 5.855
The poll overstated the Democrat by 5.9 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48752, race ID 629 (538 database).