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26 October, 09:12

The following data shows the annual rainfall amounts for Albuquerque over the past ten years. Which of these values should be considered outliers?

Precipitation (inches) : 9.4, 9.1, 9.8, 10.9, 9.2, 10.7, 9.1, 8.1, 9.1, 9.4

A. 8.1

B. 10.9

C. 8.1 and 10.9

D. None of the above

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  1. 26 October, 12:34
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    Precipitation (inches) : 9.4, 9.1, 9.8, 10.9, 9.2, 10.7, 9.1, 8.1, 9.1, 9.4

    Arrange in ascending order:

    8.1, 9.1, 9.1, 9.1, 9.2, 9.4, 9.4, 9.8, 10.7, 10.9

    The outlier is 10.9

    Mean = 9.48

    Median = 9.3

    Q1 = 9.1

    Q3 = 9.8

    IQR = 0.7

    Lower fence: 8.05

    Upper fence: 10.85
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