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 Sep 25, 2018
 #1
avatar+111328 
+1

Edit to correct an earlier mistake...

 

Order the data from  lowest to highest

 

(1  3    4   5    6)  ( 7   8   8   8   10 )

 

The median  is  [ 6 + 7] / 2 =  13/2  = 6.5

The median of the data group in the left set of parentheses is   4  = 1st quartile

The median of the data group in the second set of parentheses is 8  = 3rd  quartile

 

The interquartile range is    8 - 4  = 4

 

 

 

 

cool cool cool

 Sep 25, 2018
edited by CPhill  Sep 25, 2018
 #2
avatar+4116 
0

so it's A?

NotSoSmart  Sep 25, 2018

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