2000 President · national
TIPP Insights · fieldwork ended 2000-10-30 (8 days before the election) · 1,016 respondents · Live Phone
The poll said
Democrat 43% · Republican 47%
R+4.0
The certified result
Democrat 48.15% · Republican 47.66%
D+0.5
The arithmetic
- Poll margin = 43 − 47 = -4.00
- Actual margin = 48.149 − 47.657 = 0.492
- Signed miss = -4.00 − (0.492) = -4.492
- Absolute miss = |-4.492| = 4.492
The poll overstated the Republican by 4.5 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 6258, race ID 40 (538 database).