2002 Senate · MO
Gallup · fieldwork ended 2002-11-01 (4 days before the election) · 604 respondents · Live Phone
The poll said
Democrat 44% · Republican 48%
R+4.0
The certified result
Democrat 48.67% · Republican 49.80%
R+1.1
The arithmetic
- Poll margin = 44 − 48 = -4.00
- Actual margin = 48.667 − 49.799 = -1.132
- Signed miss = -4.00 − (-1.132) = -2.868
- Absolute miss = |-2.868| = 2.868
The poll overstated the Republican by 2.9 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 25471, race ID 1666 (538 database).