2002 Governor · CO
Zogby Analytics · fieldwork ended 2002-11-01 (4 days before the election) · 500 respondents · Live Phone
The poll said
Democrat 28% · Republican 60%
R+32.0
The certified result
Democrat 33.65% · Republican 62.62%
R+29.0
The arithmetic
- Poll margin = 28 − 60 = -32.00
- Actual margin = 33.652 − 62.621 = -28.969
- Signed miss = -32.00 − (-28.969) = -3.031
- Absolute miss = |-3.031| = 3.031
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 25666, race ID 1386 (538 database).