2016 President · UT
Trafalgar Group · fieldwork ended 2016-11-04 (4 days before the election) · 1,350 respondents · IVR · partisan sponsor (REP)
The poll said
Democrat 29.52% · Republican 39.95%
R+10.4
The certified result
Democrat 27.46% · Republican 45.54%
R+18.1
The arithmetic
- Poll margin = 29.52 − 39.95 = -10.43
- Actual margin = 27.460 − 45.538 = -18.078
- Signed miss = -10.43 − (-18.078) = 7.648
- Absolute miss = |7.648| = 7.648
The poll overstated the Democrat by 7.6 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48487, race ID 646 (538 database).