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28 August, 03:26

What is the interquartile range if the data set? 5,911,13,16,16,19,21

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  1. 28 August, 03:36
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    Step-by-step explanation:

    5,9,11, (13,16),16,19,21

    the mean (middle number) = (13 + 16) / 2 = 29/2 = 14.5

    Q1 = (9 + 11) / 2 = 20/2 = 10

    Q3 = (16 + 19) / 2 = 35/2 = 17.5

    interquartile range (IQR) = Q3 - Q1 = 17.5 - 10 = 7.5 <==
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