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20 May, 14:26

What is the interquartile range for 1,4,7,8,2,9,6,4,2

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  1. 20 May, 18:09
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    First, we need the numbers in order ...

    1,2,2,4,4,6,7,8,9

    Q1 = 2

    Q2 (middle number) = 4

    Q3 = (7 + 8) / 2 = 15/2 = 7.5

    IQR (interquartile range) is Q3 - Q1 = 7.5 - 2 = 5.5 <==
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