Q. 15.0( 1 Vote )

# Which one of the

Answer :

Mean and mode does not require construction of cumulative frequency, but median necessarily requires construction of cumulative frequency, unless it is raw data (in which median is the (n/2)^{th} value, when there are n number of observations; and the average of (n/2)^{th} and (n/2 + 1)^{th} values, when there are n observations).

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