2016 President · NC
Quinnipiac University · fieldwork ended 2016-11-05 (3 days before the election) · 870 respondents · Live Phone
The poll said
Democrat 47% · Republican 45%
D+2.0
The certified result
Democrat 46.17% · Republican 49.83%
R+3.7
The arithmetic
- Poll margin = 47 − 45 = 2.00
- Actual margin = 46.173 − 49.828 = -3.655
- Signed miss = 2.00 − (-3.655) = 5.655
- Absolute miss = |5.655| = 5.655
The poll overstated the Democrat by 5.7 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48523, race ID 629 (538 database).