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2014 Governor · NH

New England College Polling Center · fieldwork ended 2014-10-31 (4 days before the election) · 1,526 respondents · IVR

The poll said

Democrat 51% · Republican 44%

D+7.0

The certified result

Democrat 52.38% · Republican 47.43%

D+4.9

The arithmetic

  1. Poll margin = 51 − 44 = 7.00
  2. Actual margin = 52.381 − 47.433 = 4.948
  3. Signed miss = 7.00 − (4.948) = 2.052
  4. Absolute miss = |2.052| = 2.052

The poll overstated the Democrat by 2.1 points and had the right leader.

Where these numbers come from

Poll and result: 538 raw_polls.csv. Poll ID 34377, race ID 1234 (538 database).