Which method is commonly used to detect outliers in ETL testing?
- Interquartile Range
- Mean Absolute Deviation
- Standard Deviation
- Z-Score
The Interquartile Range (IQR) is commonly used in ETL testing to detect outliers. It is a robust measure that considers the spread of the middle 50% of the data, making it less sensitive to extreme values than methods like the Z-Score.
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