2016 President · NC
Quinnipiac University · fieldwork ended 2016-10-29 (10 days before the election) · 602 respondents · Live Phone
The poll said
Democrat 47% · Republican 44%
D+3.0
The certified result
Democrat 46.17% · Republican 49.83%
R+3.7
The arithmetic
- Poll margin = 47 − 44 = 3.00
- Actual margin = 46.173 − 49.828 = -3.655
- Signed miss = 3.00 − (-3.655) = 6.655
- Absolute miss = |6.655| = 6.655
The poll overstated the Democrat by 6.7 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48099, race ID 629 (538 database).