2000 President · national
TIPP Insights · fieldwork ended 2000-10-21 (17 days before the election) · 829 respondents · Live Phone
The poll said
Democrat 42% · Republican 44%
R+2.0
The certified result
Democrat 48.15% · Republican 47.66%
D+0.5
The arithmetic
- Poll margin = 42 − 44 = -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 63586, race ID 40 (538 database).