2000 President · national
SSRS · fieldwork ended 2000-10-20 (18 days before the election) · 653 respondents · Live Phone
The poll said
Democrat 41% · Republican 43%
R+2.0
The certified result
Democrat 48.15% · Republican 47.66%
D+0.5
The arithmetic
- Poll margin = 41 − 43 = -2.00
- Actual margin = 48.149 − 47.657 = 0.492
- Signed miss = -2.00 − (0.492) = -2.492
- Absolute miss = |-2.492| = 2.492
The poll overstated the Republican by 2.5 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 6448, race ID 40 (538 database).