2016 Senate · FL
SurveyMonkey · fieldwork ended 2016-11-04 (4 days before the election) · 4,092 respondents · Online Panel
The poll said
Democrat 49% · Republican 48%
D+1.0
The certified result
Democrat 44.31% · Republican 51.98%
R+7.7
The arithmetic
- Poll margin = 49 − 48 = 1.00
- Actual margin = 44.315 − 51.981 = -7.666
- Signed miss = 1.00 − (-7.666) = 8.666
- Absolute miss = |8.666| = 8.666
The poll overstated the Democrat by 8.7 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48869, race ID 93 (538 database).