2002 House · NH-2
American Research Group · fieldwork ended 2002-10-21 (15 days before the election) · 300 respondents · Live Phone
The poll said
Democrat 35% · Republican 54%
R+19.0
The certified result
Democrat 40.86% · Republican 56.81%
R+16.0
The arithmetic
- Poll margin = 35 − 54 = -19.00
- Actual margin = 40.856 − 56.808 = -15.952
- Signed miss = -19.00 − (-15.952) = -3.049
- Absolute miss = |-3.049| = 3.049
The poll overstated the Republican by 3.0 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 25391, race ID 2960 (538 database).