2016 President · national
Leger · fieldwork ended 2016-11-06 (2 days before the election) · 940 respondents · Online Panel
The poll said
Democrat 49% · Republican 45%
D+4.0
The certified result
Democrat 48.00% · Republican 45.81%
D+2.2
The arithmetic
- Poll margin = 49 − 45 = 4.00
- Actual margin = 47.997 − 45.815 = 2.182
- Signed miss = 4.00 − (2.182) = 1.819
- Absolute miss = |1.819| = 1.819
The poll overstated the Democrat by 1.8 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48911, race ID 94 (538 database).