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Question
From the following data, find:
Inter-quartile range
25, 10, 40, 88, 45, 60, 77, 36, 18, 95, 56, 65, 7, 0, 38 and 83
Solution
Interquartile range
= 18 ; q3
= 65
Interquartile range = q3 – q1
∴ q3 – q1 = 65 – 18
= 47
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