How can extreme outliers impact the interpretation of the skewness of a dataset?
- Can either increase or decrease the skewness
- Decrease the skewness
- Does not affect the skewness
- Increase the skewness
The skewness of a distribution is a measure of the extent and direction of asymmetry. Extreme outliers can either increase or decrease skewness depending on which tail they lie in. If the outliers are greater than the mean, skewness will be increased. If less, skewness will be decreased.
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