Câu 26: RAI: Risk and Artificial Intelligence

During data preprocessing, an analyst notices that the data is highly skewed with one variable having extreme values. These values are not errors but represent rare but valid events. What is the best approach to handle this situation?

1. A. Use normalization to reduce skewness.
2. B. Replace the extreme values with the mean of the variable.
3. C. Apply a log transformation to reduce skewness. — đáp án hiện tại
4. D. Remove the extreme values to prevent skewing.