write the formula to find the median for grouped data and explain each term
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Median=l+(n/2-cf)/f*h
where , l =lower limit of median class
n=number of observations
cf=cumulitive frequency of class preceding the median class
f=frequency of median class
h=class size(assuming class size to be equal).
where , l =lower limit of median class
n=number of observations
cf=cumulitive frequency of class preceding the median class
f=frequency of median class
h=class size(assuming class size to be equal).
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