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  • 13-02-2019
  • Mathematics
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1stinwww
1stinwww 1stinwww
  • 13-02-2019

use formula where lower fence is Q1- 1.5 IQR and upper fence is Q3+1.5 IQR.

7a) Q1 is 30 ,Q2 is 34, Q3 is 40,

IQR is Q3-Q1: 40-30

IQR=10

upper fence is 40+1.5(10)= 55

lower fence is 30-1.5(10) = 15

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