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Consider the following data set:

7.8, 0.6, 1.9, 5, 5.7, 0.7, 1.6, 5.9

Work out the IQR.

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Answers (2)
  1. 23 May, 17:43
    0
    4.65

    Step-by-step explanation:

    7.8, 0.6, 1.9, 5, 5.7, 0.7, 1.6, 5.9

    Sort the data

    0.6, 0.7, 1.6, 1.9, 5, 5.7, 5.9, 7.8

    Q1: (0.7+1.6) / 2

    = 1.15

    Q3: (5.7+5.9) / 2

    = 5.8

    IQR = 5.8 - 1.15

    = 4.65
  2. 23 May, 17:57
    0
    Population size:8

    Lower quartile (xL) : 0.925

    Upper quartile (xU) : 5.85

    Interquartile range (xU-xL) : 4.925
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