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Should outliers always be removed from a dataset?

  1. A No, decide whether each is an error or a genuine extreme value
  2. B Yes, always
  3. C Only if they are negative
  4. D Only in classification problems
Answer

No, decide whether each is an error or a genuine extreme value

Removing real high-value customers because they are statistically unusual destroys the most important part of the data.

All Machine Learning MCQs

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