Definition:Frequency (Descriptive Statistics)

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Let $S$ be a sample or a population.

Let $\omega$ be a qualitative variable, or a class of a quantitative variable.

The frequency of $\omega$ is the number of individuals in $S$ satisfying $\omega$.

Also known as

This concept is also referred to as the absolute frequency of $\omega$, so as to distinguish it explicitly from relative frequency

Also see