2020 House · NY-24
Change Research · fieldwork ended 2020-10-31 (3 days before the election) · 738 respondents · Text-to-Web/Online Ad
The poll said
Democrat 46% · Republican 44%
D+2.0
The certified result
Democrat 42.97% · Republican 45.41%
R+2.4
The arithmetic
- Poll margin = 46 − 44 = 2.00
- Actual margin = 42.965 − 45.406 = -2.441
- Signed miss = 2.00 − (-2.441) = 4.441
- Absolute miss = |4.441| = 4.441
The poll overstated the Democrat by 4.4 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 72761, race ID 8115 (538 database).