2016 President · national
GQR · fieldwork ended 2016-10-23 (16 days before the election) · 900 respondents · Live Phone · partisan sponsor (DEM)
The poll said
Democrat 50% · Republican 38%
D+12.0
The certified result
Democrat 48.00% · Republican 45.81%
D+2.2
The arithmetic
- Poll margin = 50 − 38 = 12.00
- Actual margin = 47.997 − 45.815 = 2.182
- Signed miss = 12.00 − (2.182) = 9.819
- Absolute miss = |9.819| = 9.819
The poll overstated the Democrat by 9.8 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 47355, race ID 94 (538 database).