The interquartile range of the data set summarized in the boxplot is 22.
What is the interquartile range?
The interquartile range is the difference between the third quartile and the first quartile. On a boxplot, the third quartile is the third line on the box and the first quartile is the first number on the box.
Interquartile range = 70 - 48 = 22
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