2016 President · OR
YouGov · fieldwork ended 2016-10-20 (19 days before the election) · 1,112 respondents · Online Panel
The poll said
Democrat 43.8% · Republican 36%
D+7.8
The certified result
Democrat 50.07% · Republican 39.09%
D+11.0
The arithmetic
- Poll margin = 43.8 − 36 = 7.80
- Actual margin = 50.072 − 39.094 = 10.978
- Signed miss = 7.80 − (10.978) = -3.178
- Absolute miss = |-3.178| = 3.178
The poll overstated the Republican by 3.2 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48756, race ID 639 (538 database).