2016 President · FL
YouGov · fieldwork ended 2016-10-20 (19 days before the election) · 5,371 respondents · Online Panel
The poll said
Democrat 44% · Republican 42.9%
D+1.1
The certified result
Democrat 47.82% · Republican 49.02%
R+1.2
The arithmetic
- Poll margin = 44 − 42.9 = 1.10
- Actual margin = 47.823 − 49.022 = -1.199
- Signed miss = 1.10 − (-1.199) = 2.299
- Absolute miss = |2.299| = 2.299
The poll overstated the Democrat by 2.3 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48728, race ID 611 (538 database).