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2002 Governor · TX

Blum & Weprin Associates · fieldwork ended 2002-10-15 (21 days before the election) · 1,002 respondents · Live Phone

The poll said

Democrat 35% · Republican 50%

R+15.0

The certified result

Democrat 39.96% · Republican 57.81%

R+17.8

The arithmetic

  1. Poll margin = 35 − 50 = -15.00
  2. Actual margin = 39.961 − 57.808 = -17.847
  3. Signed miss = -15.00 − (-17.847) = 2.848
  4. Absolute miss = |2.848| = 2.848

The poll overstated the Democrat by 2.8 points and had the right leader.

Where these numbers come from

Poll and result: 538 raw_polls.csv. Poll ID 25422, race ID 1413 (538 database).