2016 Senate · AZ
SurveyMonkey · fieldwork ended 2016-10-28 (11 days before the election) · 1,457 respondents · Online Panel
The poll said
Democrat 46% · Republican 49%
R+3.0
The certified result
Democrat 40.75% · Republican 53.71%
R+13.0
The arithmetic
- Poll margin = 46 − 49 = -3.00
- Actual margin = 40.749 − 53.710 = -12.961
- Signed miss = -3.00 − (-12.961) = 9.962
- Absolute miss = |9.962| = 9.962
The poll overstated the Democrat by 10.0 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 47885, race ID 87 (538 database).