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class. frequency. continues class
0-5 13 0 -5.5
6-11 10 5.5-11.5
12-17 15 11.5-17.5
18-23 8 17.5-23.5
24-29 11 23.5-29.5
Median class is the class where
( n+1/2)th term is lying
In the given table,n=29
therefore,(n+1/2)th value is
(30/2)th= 15 which lies in the class intervel 12.5-17.5
the upper limit of median class is 17.5
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