2002 Governor · OH
Columbus Dispatch · fieldwork ended 2002-10-28 (8 days before the election) · 2,048 respondents · Mail
The poll said
Democrat 40% · Republican 58%
R+18.0
The certified result
Democrat 38.31% · Republican 57.76%
R+19.5
The arithmetic
- Poll margin = 40 − 58 = -18.00
- Actual margin = 38.307 − 57.758 = -19.451
- Signed miss = -18.00 − (-19.451) = 1.451
- Absolute miss = |1.451| = 1.451
The poll overstated the Democrat by 1.5 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 54872, race ID 1405 (538 database).