2016 President · NY
Siena College · fieldwork ended 2016-11-03 (5 days before the election) · 617 respondents · Live Phone
The poll said
Democrat 51% · Republican 34%
D+17.0
The certified result
Democrat 56.72% · Republican 32.73%
D+24.0
The arithmetic
- Poll margin = 51 − 34 = 17.00
- Actual margin = 56.722 − 32.729 = 23.993
- Signed miss = 17.00 − (23.993) = -6.994
- Absolute miss = |-6.994| = 6.994
The poll overstated the Republican by 7.0 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 48478, race ID 636 (538 database).