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10 June, 07:38

The first quartile of a data set is 52, and the third quartile is 72. Which of these values in the data set is an outlier?

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  1. 10 June, 07:46
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    Given:

    iq1 - 52

    iq3 - 72

    iq3 - iq1 = iqr

    72 - 52 = 20

    inner fence = minor outlier

    20 * 1.5 = 30

    72 + 30 = 102

    52 - 30 = 22

    outer fence - major outliers

    20 x 3 = 60

    72 + 60 = 132

    50 - 60 = - 10
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