Jessi5PAY9om Jessi5PAY9om

25-04-2016
Mathematics

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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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meerkat18 meerkat18

06-05-2016

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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