How to solve inter quartile range of the given data set? 3,9,12,15,16,18,21

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How to solve inter quartile range of the given data set? 3,9,12,15,16,18,21

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Margaret 3 months 2022-02-15T11:57:47+00:00 1 Answer 0 views 0

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    2022-02-15T11:58:59+00:00

    Answer:

    Step-by-step explanation:

    3,9,12,(15),16,18,21

       

    mean (middle number) = 15

    Q1 = 9…..the middle number of the numbers before the mean

    Q3 = 18…the middle number of the numbers after the mean

    interquartile range (IQR) = Q3 – Q1 = 18 – 9 = 9 <==

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45:7+7-4:2-5:5*4+35:2 =? ( )