what is median?
from http://mathworld.wolfram.com/Median.html
The statistical median is an order statistic that gives the "middle" value
of a sample. More specifically, it is the value 
such that an equal number of samples are less than and greater than the value (for an odd sample size), or the average of the two central values (for an even sample size).
The statistical median is an order statistic that gives the "middle" value
of a sample. More specifically, it is the value such that an equal number of samples are less than and greater than the value (for an odd sample size), or the average of the two central values (for an even sample size).
posted by Q.Wang at 10:46 AM
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