2013 Senate · NJ
Quinnipiac University · fieldwork ended 2013-10-12 (4 days before the election) · 1,696 respondents · Live Phone
The poll said
Democrat 54% · Republican 40%
D+14.0
The certified result
Democrat 54.92% · Republican 44.02%
D+10.9
The arithmetic
- Poll margin = 54 − 40 = 14.00
- Actual margin = 54.924 − 44.020 = 10.904
- Signed miss = 14.00 − (10.904) = 3.096
- Absolute miss = |3.096| = 3.096
The poll overstated the Democrat by 3.1 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 63728, race ID 1471 (538 database).