How do outliers affect the skewness of a dataset?

  • Depends on the direction of the outliers
  • They decrease skewness
  • They do not affect skewness
  • They increase skewness
Outliers can have a big impact on the skewness of a dataset. If the outlier is greater than the rest of the data, it will pull the skewness positive, and if it is less than the rest of the data, it will pull the skewness negative.
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