2002 Governor · SD
Mason-Dixon Polling & Strategy · fieldwork ended 2002-10-26 (10 days before the election) · 805 respondents · Live Phone
The poll said
Democrat 36% · Republican 55%
R+19.0
The certified result
Democrat 41.92% · Republican 56.77%
R+14.8
The arithmetic
- Poll margin = 36 − 55 = -19.00
- Actual margin = 41.925 − 56.767 = -14.842
- Signed miss = -19.00 − (-14.842) = -4.157
- Absolute miss = |-4.157| = 4.157
The poll overstated the Republican by 4.2 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 25536, race ID 1411 (538 database).