salman_09
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.
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amistre64
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its symetric about the median right?
salman_09
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yae but what would be interquartile
amistre64
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interQ is the range from upper quartile to lower quartile
and since the median lies inbetween the upper and lower .....
salman_09
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so the exact value of interQ?
amistre64
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what would you determine to the range from the median to the lower quartile?
amistre64
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|dw:1362597330230:dw|
salman_09
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60?
amistre64
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since symettry tells us that it is equal on boths sides of the median; then the range is simply 2x .... i like 60
salman_09
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Thx a lot dude
amistre64
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good luck :)
salman_09
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one more question?