1998 Senate · NY
Zogby Analytics · fieldwork ended 1998-10-31 (3 days before the election) · 1,196 respondents · Live Phone
The poll said
Democrat 46.5% · Republican 47.3%
R+0.8
The certified result
Democrat 47.82% · Republican 33.67%
D+14.2
The arithmetic
- Poll margin = 46.5 − 47.3 = -0.80
- Actual margin = 47.823 − 33.672 = 14.151
- Signed miss = -0.80 − (14.151) = -14.951
- Absolute miss = |-14.951| = 14.951
The poll overstated the Republican by 15.0 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 26275, race ID 1738 (538 database).