anonymous
  • anonymous
A distribution of weights is symmetric about its median. The lower quartile of the weights is 90 pounds and the median is 120 pounds. Find the interquartile range of the distribution.
Mathematics
katieb
  • katieb
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amistre64
  • amistre64
its symetric about the median right?
anonymous
  • anonymous
yae but what would be interquartile
amistre64
  • amistre64
interQ is the range from upper quartile to lower quartile and since the median lies inbetween the upper and lower .....

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anonymous
  • anonymous
so the exact value of interQ?
amistre64
  • amistre64
what would you determine to the range from the median to the lower quartile?
amistre64
  • amistre64
|dw:1362597330230:dw|
anonymous
  • anonymous
60?
amistre64
  • amistre64
since symettry tells us that it is equal on boths sides of the median; then the range is simply 2x .... i like 60
anonymous
  • anonymous
Thx a lot dude
amistre64
  • amistre64
good luck :)
anonymous
  • anonymous
one more question?

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