Evaluate the median from the following
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where are the following ...??? please upload the question properly...!!....
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Explanation:
Median =l+⎝⎛f2n−cf⎠⎞×h
n=Σf= Total number of frequency =150
2n=2150=75
So, the median class is 55−60
L= Lower limit of the median class =55
cf= Cumulative frequency of the class preceding the median class =50
f= Frequency of the median class =40
h= class width=5
Therefore, Median =l+⎝⎛f2n−cf⎠⎞×h
=55+⎝⎜⎜⎛402150−50⎠⎟⎟⎞×5
=55+(4075−50)×5
=55+
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