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by scoobydooby » Sun Apr 19, 2009 10:46 pm
median of 20 days= mean of the value for the 10th day and the 11th day.
both the 10th and the 11th day lie in the 2nd interval as (4+7=11).
=>the value of both the 10th and the 11th day is $84.
=> median is therefore $84
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