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anonymous

  • 5 years ago

What is the interquartile range (IQR) of the following data set? 6, 7, 9, 10, 14, 16, 18, 20 a.14 b.12 c.8 d.9

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  1. amistre64
    • 5 years ago
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    a range tends to be a few numbers IQR is q25 to q75

  2. amistre64
    • 5 years ago
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    meant p25 and p75 :) 8 points 8*.25 = 2, so we average the 2nd and 3rd spots 8*.75= 6, so we average the 6th and 7th spots and the range will be between those values

  3. amistre64
    • 5 years ago
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    6, 7, 9, 10, 14, 16, 18, 20 ___ ___ 8 17 the IQR should be from 8 to 17

  4. anonymous
    • 5 years ago
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    thanks the IQR is 9

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