The measure of the spread that is least affected by the long tail in the box plot is: IQR.
What is the Interquartile Range (IQR)?
The interquartile range (IQR) is the difference between the upper quartile (Q3) and the lower quartile (Q1), which can be found in a box plot as the range of the rectangular box.
Interquartile range (IQR) is a measure of spread. Looking at box plot given in the graph, the value of IQR remains unaffected to a great extent irrespective of the length of the tail.
Therefore, the measure of the spread that is least affected by the long tail in the box plot is: IQR.
Learn more about the Interquartile Range (IQR) on:
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