Skip to content

2013 Governor · VA

Zogby Analytics · fieldwork ended 2013-10-27 (9 days before the election) · 600 respondents · Online Panel

The poll said

Democrat 43% · Republican 37%

D+6.0

The certified result

Democrat 47.74% · Republican 45.22%

D+2.5

The arithmetic

  1. Poll margin = 43 − 37 = 6.00
  2. Actual margin = 47.736 − 45.217 = 2.519
  3. Signed miss = 6.00 − (2.519) = 3.482
  4. Absolute miss = |3.482| = 3.482

The poll overstated the Democrat by 3.5 points and had the right leader.

Where these numbers come from

Poll and result: 538 raw_polls.csv. Poll ID 63902, race ID 1257 (538 database).