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22 June, 20:40

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

A. 81

B. 41

C. 21

D. 101

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  1. 22 June, 21:06
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    72 - 52 = 20 < = thats ur IQR

    IQR * 1.5 = 20 * 1.5 = 30

    52 - 30 = 22 ... anything less then 22 is an outlier

    72 + 30 = 102 ... anything above 102 is an outlier

    answer is : C
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