write the formulae for median of grouped data and explain the term in it.
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Explanation:
The formula for median in a grouped data is median=l+(n2−cff)×h. , where l. represent the lower limit of the median class, n. represents the total sum of all frequencies, cf. represent the cumulative frequency before the median class, f.
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Answer:
median of grouped data = l +[(n/2-cf)/f]×h
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