frequency function

noun
UK /ˈfriː.kwən.si ˈfʌŋk.ʃən/
US /ˈfriː.kwən.si ˈfʌŋk.ʃən/

A frequency function is a math rule that tells you how often something happens.

The teacher used a frequency function to count how many students chose each favorite color.


OTHER MEANINGS

2. In statistics, a function that gives the number of times each value appears in a data set.

The frequency function showed that the number 7 appeared five times in the list.

3. In physics, a mathematical relationship describing how often a wave or signal repeats over time.

Engineers studied the frequency function of the sound wave to understand its pitch.

4. A function that maps each outcome to how frequently it occurs in repeated trials.

By plotting the frequency function, they could see which results were most common.