Frequency
Initial Definition

Frequency represents the number of specific items in a set of general items, or the number of times an event occurs in an experiment.

Example (The number items in a set of items)

The illustration below shows a set of doughnuts.

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The frequency of powdered doughnuts in the set above is three.

Example (The number times an event occurs in an experiment)

The illustration below shows the result of an experiment consisting of throwing a die twenty times.

Die Toss (twenty times) Experiment

The frequency of the number four occurring in the result above is three.

Please also see Frequency Table.