Question

Cumulative frequency is required to calculate mean median, mode, standard deviation

Answer 1

The cumulative frequency iscalculated by adding eachfrequency from a frequencydistribution table to the sum of its predecessors. The last value will always be equal to the total for all observations, since allfrequencies will already havebeen added to the previous total.

Answer 2

The cumulative frequency is calculated by adding each frequency from a frequency distribution table to the sum of its predecessors. The last value will always be equal to the total for all observations, since all frequencies will already have been added to the previous total.

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