What are some effective methods for detecting outliers in data?
There are several methods for detecting outliers, including the Z-score method, IQR method, and visual methods like box plots.
Can you explain the Z-score method?
Sure! The Z-score method identifies outliers by measuring how many standard deviations a data point is from the mean.
What about the IQR method?
The IQR method uses the interquartile range to determine outliers. Any data point below Q1 - 1.5IQR or above Q3 + 1.5IQR is considered an outlier.
Are there any visual methods to detect outliers?
Yes, box plots and scatter plots are common visual methods. They help to easily identify data points that fall outside the typical range.
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