Issues when conducting political polls (Part 2)

The classic application of confidence intervals is political polling: the science of sampling relatively few people to predict the opinions of a large population. However, in the 2010s, the art of political polling — constructing representative samples from a large population — has become more and more difficult.

The Washington Post recently ran a feature about how the prevalence of cellphones was once feared as a potential cause of bias when conducting a political poll… and what’s happened ever since:

Previous post: Issues when conducting political polls.

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