Can you describe the basic idea behind the Interquartile Range (IQR) method for outlier detection?

  • It calculates the difference between the 75th and 25th percentile
  • It involves the calculation of Z-scores
  • It is based on mean
  • It is based on standard deviation
The basic idea behind the Interquartile Range (IQR) method for outlier detection is that it calculates the difference between the 75th percentile (Q3) and the 25th percentile (Q1). This range represents the middle 50% of the data.
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