Question

a distribution has the five number summary, 12,21,43,62,71. what is the interquartile range (IQR) of this distribution

Answer 1

83

Explanation:

12, 21, 43, 62, 71

Median: 43

Lower quartile: 16.5

Upper quartile: 66.5

Interquartile range: 66.5 - 16.5 = 83

Answer 2

the IQR is 41 because 62-21=41