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Question -

A survey regarding the height (in cm) of 51 girls of class X of a school was conducted and
the following data was obtained.
 
Find the median height.



Answer -


Here N/2 = 51/2 = 25.5 or 26 which lies in the class 145-150
l= 145, F= 11, f= 18, h= 5
 
= 145 + 4.03 = 149.03

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