2014 Senate · NH
Vox Populi Polling · fieldwork ended 2014-10-27 (8 days before the election) · 544 respondents · IVR/Online Panel
The poll said
Democrat 45% · Republican 49%
R+4.0
The certified result
Democrat 51.45% · Republican 48.21%
D+3.2
The arithmetic
- Poll margin = 45 − 49 = -4.00
- Actual margin = 51.455 − 48.211 = 3.244
- Signed miss = -4.00 − (3.244) = -7.244
- Absolute miss = |-7.244| = 7.244
The poll overstated the Republican by 7.2 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 34417, race ID 8 (538 database).