2016 President · FL
InsiderAdvantage · fieldwork ended 2016-11-01 (7 days before the election) · 603 respondents · IVR/Online Ad
The poll said
Democrat 49.3% · Republican 45%
D+4.3
The certified result
Democrat 47.82% · Republican 49.02%
R+1.2
The arithmetic
- Poll margin = 49.3 − 45 = 4.30
- Actual margin = 47.823 − 49.022 = -1.199
- Signed miss = 4.30 − (-1.199) = 5.499
- Absolute miss = |5.499| = 5.499
The poll overstated the Democrat by 5.5 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48188, race ID 611 (538 database).