2020 President · AZ
Marist College · fieldwork ended 2020-10-31 (3 days before the election) · 717 respondents · Live Phone
The poll said
Democrat 48% · Republican 48%
even
The certified result
Democrat 49.37% · Republican 49.06%
D+0.3
The arithmetic
- Poll margin = 48 − 48 = 0.00
- Actual margin = 49.365 − 49.056 = 0.309
- Signed miss = 0.00 − (0.309) = -0.309
- Absolute miss = |-0.309| = 0.309
The poll overstated the Republican by 0.3 points and showed a tie.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 72649, race ID 6214 (538 database).