2000 Senate · DE
SurveyUSA · fieldwork ended 2000-10-23 (15 days before the election) · 500 respondents · IVR
The poll said
Democrat 49% · Republican 48%
D+1.0
The certified result
Democrat 55.53% · Republican 43.70%
D+11.8
The arithmetic
- Poll margin = 49 − 48 = 1.00
- Actual margin = 55.526 − 43.698 = 11.828
- Signed miss = 1.00 − (11.828) = -10.827
- Absolute miss = |-10.827| = 10.827
The poll overstated the Republican by 10.8 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 54442, race ID 1686 (538 database).