2000 President · WI
Market Shares Corp. · fieldwork ended 2000-10-27 (11 days before the election) · 500 respondents · Live Phone
The poll said
Democrat 39% · Republican 46%
R+7.0
The certified result
Democrat 47.83% · Republican 47.61%
D+0.2
The arithmetic
- Poll margin = 39 − 46 = -7.00
- Actual margin = 47.833 − 47.613 = 0.220
- Signed miss = -7.00 − (0.220) = -7.220
- Absolute miss = |-7.220| = 7.220
The poll overstated the Republican by 7.2 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 6362, race ID 854 (538 database).