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3 April, 13:08

What is the IQR of 64, 68, 70, 71, 72?

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Answers (2)
  1. 3 April, 13:13
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    It's 8 because its 72 minus 64.
  2. 3 April, 13:32
    0
    IQR is the difference between Q3 and Q1

    64, 68, 70, 71, 72

    Q2 = 70

    Q1 is the median of the lower half. That will be the average of 64 & 68.

    (64+68) / 2 = 66

    Q3 is the median of the upper half. That will be the average of 71 & 72.

    (71+72) / 2 = 71.5

    IQR = 71.5-66 = 5.5
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