Seudónimo Seudónimo
  • 04-05-2017
  • Mathematics
contestada

What is the IQR of 64, 68, 70, 71, 72?

Respuesta :

alyssaalbino400 alyssaalbino400
  • 04-05-2017
it's 8 because its 72 minus 64.



Answer Link
bcalle
bcalle bcalle
  • 04-05-2017
IQR is the difference between Q3 and Q1
64, 68, 70, 71, 72
Q2 = 70
Q1 is the median of the lower half. That will be the average of 64 & 68.
(64+68)/2= 66
Q3 is the median of the upper half. That will be the average of 71 & 72.
(71+72)/2 = 71.5
IQR= 71.5-66 = 5.5
Answer Link

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