What is the significance of the interquartile range in a data set?
- It calculates the mean of the data set
- It identifies the range between the maximum and minimum values
- It measures the dispersion of the entire data set
- It represents the spread of the middle 50% of the data
The interquartile range (IQR) represents the spread of the middle 50% of the data, providing a measure of variability that is not influenced by extreme values. It is a robust statistic for assessing data spread.
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