2004 President · PA
Los Angeles Times · fieldwork ended 2004-10-24 (9 days before the election) · 568 respondents · Live Phone
The poll said
Democrat 48% · Republican 48%
even
The certified result
Democrat 50.92% · Republican 48.42%
D+2.5
The arithmetic
- Poll margin = 48 − 48 = 0.00
- Actual margin = 50.924 − 48.424 = 2.500
- Signed miss = 0.00 − (2.500) = -2.500
- Absolute miss = |-2.500| = 2.500
The poll overstated the Republican by 2.5 points and showed a tie.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 4528, race ID 793 (538 database).