Elle3Ya5nxtnnolds Elle3Ya5nxtnnolds

04-08-2016
Mathematics

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what are the minimum first quartile median third quartile and the maximum of the data set? 9,20,4,18,4,18,20,9

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texaschic101 texaschic101

04-08-2016

first we need to put the numbers in order
4,4,9,9,18,18,20,20

minimum (lowest number) = 4
maximum (highest number) = 20
Q1 = (9 + 4)/2 = 13/2 = 6.5
Q2 (median) = (18 + 9)/2 = 27/2 = 13.5
Q3 = (18 + 20)/2 = 38/2 = 19

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