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2002 Governor · TX

Zogby Analytics · fieldwork ended 2002-11-01 (4 days before the election) · 602 respondents · Live Phone

The poll said

Democrat 36% · Republican 50%

R+14.0

The certified result

Democrat 39.96% · Republican 57.81%

R+17.8

The arithmetic

  1. Poll margin = 36 − 50 = -14.00
  2. Actual margin = 39.961 − 57.808 = -17.847
  3. Signed miss = -14.00 − (-17.847) = 3.848
  4. Absolute miss = |3.848| = 3.848

The poll overstated the Democrat by 3.8 points and had the right leader.

Where these numbers come from

Poll and result: 538 raw_polls.csv. Poll ID 25696, race ID 1413 (538 database).