Question

What is the interquartile range of this data set? {48, 50, 65, 60, 80, 42, 45, 50, 42, 55, 45} enter the answer in the box.

Answer 1

The interquartile range (IQR) of the given data set, is: upper quartile (Q3) - lower quartile (Q1) = 15.

What is the Interquartile Range (IQR) of a Data Set?

The interquartile range (IQR) of a data set = upper quartile (Q3) - lower quartile (Q1).

Given the data set, {48, 50, 65, 60, 80, 42, 45, 50, 42, 55, 45}:

Upper quartile = 60

Lower quartile = 45

IQR = 60 - 45 = 15

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