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12 April, 13:55

Aundrey is buying supplies for school. She buys a new calculator, some books and a notebook. The prices of the ideals are listed here. Find the range and the interquartile range of the prices of the ideals { 125, 17, 23, 16, 21, 18, 24, 18, 3

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  1. 12 April, 17:50
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    First order the prices

    3,16,17,18,18,21,23,24,125

    range

    125-3 = 122

    18 median

    Q1 = 16+17 / 2 = 33/2 = 16.5

    Q3 = 23+24 / 2 = 47/2=23.5

    IQT = 23.5-16.5=7
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