Statistics and Probability Dictionary

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Relative Frequency

A frequency count is a measure of the number of times that an event occurs.

To compute relative frequency, one obtains a frequency count for the total population and a frequency count for a subgroup of the population. The relative frequency for the subgroup is:

Relative frequency = Subgroup count / Total count

The above equation expresses relative frequency as a proportion. It is also often expressed as a percentage. Thus, a relative frequency of 0.50 is equivalent to a percentage of 50%.

See also:   AP Statistics Tutorial: One-Way Tables