2016 House · NH-2
YouGov · fieldwork ended 2016-10-19 (20 days before the election) · 382 respondents · Online Panel
The poll said
Democrat 53% · Republican 42%
D+11.0
The certified result
Democrat 49.75% · Republican 45.31%
D+4.4
The arithmetic
- Poll margin = 53 − 42 = 11.00
- Actual margin = 49.748 − 45.313 = 4.435
- Signed miss = 11.00 − (4.435) = 6.565
- Absolute miss = |6.565| = 6.565
The poll overstated the Democrat by 6.6 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 47326, race ID 6012 (538 database).