Matt Whiting writes:
Exactly what is "useful" about exit polls taken on election day?

One use of exit polls is to check the accuracy of the election. As a
pilot, you probably appreciate the value of redundant systems. The
exit poll data can give you an indication of a problem in the
electoral polling process.

If the election result and the polling data radically disagree, it is
probably worthwhile to look closely at both the election and the exit
poll to figure out the source of error...

Chris
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