14-09-2017
Mathematics

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What is the interquartile range for 1,4,7,8,2,9,6,4,2

Respuesta :

texaschic101 texaschic101

14-09-2017

first, we need the numbers in order..
1,2,2,4,4,6,7,8,9

Q1 = 2
Q2 (middle number) = 4
Q3 = (7 + 8)/2 = 15/2 = 7.5

IQR (interquartile range) is Q3 - Q1 = 7.5 - 2 = 5.5 <==

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