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20 August, 13:35

Find the interquartile range for each set of data.

Set 1: 21, 5, 14, 10, 8, 17, 2

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  1. 20 August, 16:50
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    12.

    Step-by-step explanation:

    First arrange in ascending order:

    2 5 8 10 14 17 21

    The median is 10.

    the lower quartile is the middle number of 2 5 and 8 which is 5.

    Similarly the upper quartile is 17.

    IQR = 17 - 5 = 12.
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