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31 March, 00:07

What are the minimum first quartile median third quartile and the maximum of the data set? 9,20,4,18,4,18,20,9

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  1. 31 March, 01:02
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    First we need to put the numbers in order

    4,4,9,9,18,18,20,20

    minimum (lowest number) = 4

    maximum (highest number) = 20

    Q1 = (9 + 4) / 2 = 13/2 = 6.5

    Q2 (median) = (18 + 9) / 2 = 27/2 = 13.5

    Q3 = (18 + 20) / 2 = 38/2 = 19
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