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8 July, 12:02

Find a whole number that, when added to the data set below, does not change the interquartile range.

30, 32, 34, 34, 37, 38, 40, 43

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  1. 8 July, 12:10
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    The Interquartile Range would be 6.

    Step-by-step explanation:

    30, 32, 34, 34, 37, 38, 40, 43

    Median: 35.5

    Lower Quartile (Q1) : 33

    Upper Quartile (Q2) : 39

    (IQR) Interquartile Range: Upper quartile - Lower quartile = answer

    Interquartile Range: 39 - 33 = 6
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