2016 President · ME
Emerson College · fieldwork ended 2016-10-29 (10 days before the election) · 750 respondents · IVR
The poll said
Democrat 46% · Republican 42%
D+4.0
The certified result
Democrat 47.83% · Republican 44.87%
D+3.0
The arithmetic
- Poll margin = 46 − 42 = 4.00
- Actual margin = 47.830 − 44.870 = 2.960
- Signed miss = 4.00 − (2.960) = 1.040
- Absolute miss = |1.040| = 1.040
The poll overstated the Democrat by 1.0 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 47879, race ID 623 (538 database).