2000 President · IL
Zogby Analytics · fieldwork ended 2000-11-02 (5 days before the election) · 600 respondents · Live Phone
The poll said
Democrat 49% · Republican 40%
D+9.0
The certified result
Democrat 54.60% · Republican 42.59%
D+12.0
The arithmetic
- Poll margin = 49 − 40 = 9.00
- Actual margin = 54.597 − 42.585 = 12.012
- Signed miss = 9.00 − (12.012) = -3.012
- Absolute miss = |-3.012| = 3.012
The poll overstated the Republican by 3.0 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 6180, race ID 820 (538 database).