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How should outliers be handled?

  1. A Determine whether each is a data error or a genuine extreme value before deciding
  2. B Always remove them
  3. C Always retain them
  4. D Replace them with the mean
Answer

Determine whether each is a data error or a genuine extreme value before deciding

Removing genuine extreme observations can discard the most commercially important part of the dataset.

All Data Science MCQs

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