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21 June, 14:51

What is the third quartile of this data set 20,21,24,25,28,29,35,37,42

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Answers (2)
  1. 21 June, 16:33
    0
    36

    Step-by-step explanation:

    The middle number 28 is the median.

    The upper quartile is 'middle' number of the last 4 numbers.

    So its the mean of 35 and 37 = 36 (answer)
  2. 21 June, 18:37
    0
    36 is the upper or third quartile the range is 22

    the mean is 29 the interquartile range is 13.5
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