Political Polling Precision Differences: Survey Sampling vs. Attribute Sampling

Author: Kurt B. Johnson Introduction I was looking at one of the latest CNN political polls (August 15-18, 2019) conducted by the polling firm SSRS (https://www.cnn.com/2019/08/20/politics/cnn-poll-democrats-2020-biden-rebound/index.html) and noticed that my favorite candidate, Pete Buttigieg, garnered 5% of the vote. The reported precision for the CNN poll – also called the margin of error – was […]

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