Question

What is the IQR (interquartile range) for the following data? 7, 9, 13, 4, 18, 3, 9, 10, 15, 8, 2, 6, 9

Answer 1

Q1= 5 Q2= 9 Q3= 11.5

Q3 - Q1 = IQR

11.5 - 5 = 6.5

The IQR is 6.5

Answer 2

The IQR (interquartile range) is mathematically given as

IQR=9

What is the IQR (interquartile range)?

Question Parameters:

Sample data 7, 9, 13, 4, 18, 3, 9, 10, 15, 8, 2, 6, 9

Sample size13

Generally, the equation for the  IQR (interquartile range)  is mathematically given as

IQR=Q3-Q1

Therefore

IQR=37-28

IQR=9

In conclusion, the IQR (interquartile range) is

IQR=9

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