2014 House · ME-2
Pan Atlantic Research · fieldwork ended 2014-10-18 (17 days before the election) · 193 respondents · Live Phone
The poll said
Democrat 38.9% · Republican 37.7%
D+1.2
The certified result
Democrat 41.83% · Republican 47.03%
R+5.2
The arithmetic
- Poll margin = 38.9 − 37.7 = 1.20
- Actual margin = 41.827 − 47.031 = -5.204
- Signed miss = 1.20 − (-5.204) = 6.404
- Absolute miss = |6.404| = 6.404
The poll overstated the Democrat by 6.4 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 34008, race ID 5514 (538 database).