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9 June, 10:49

25 8 10 20 30 35 5 40 45 what is the lower quartile of the data set?

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  1. 9 June, 11:38
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    Put the numbers in order

    5, 8, 10, 20, 25, 30, 35, 40, 45

    Q1 = (8 + 10) / 2 = 18/2 = 9

    Q2 - - median = 25

    Q3 = (35 + 40) / 2 = 75/2 = 37.5

    the lower quartile (Q1) = 9
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