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

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asked Feb 10, 2018 165k views

1 Answer

Xmorera · Answer 1 · 2018-02-14T13:26:15+0000

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 <==

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

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