What is the interquartile range of this data set?
5, 5, 6, 7, 9, 11, 14, 17, 21, 23
Answer: 11
4, 5, 7, 9, 10, 14, 16, 24
Answer: 9
Answer:
To find the interquartile range (IQR), first find the median (middle value) of the lower and upper half of the data. These values are quartile 1 (Q1) and quartile 3 (Q3). The IQR is the difference between Q3 and Q1.
1. 11
2. 9
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