Cumulative relative frequency

Definition

Cumulative relative frequency is the accumulation of the previous relative frequencies up to the current point. It helps in understanding the proportion of observations below a particular value in a dataset.

5 Must Know Facts For Your Next Test

1. Cumulative relative frequency can be calculated by adding the relative frequency of each class interval to the sum of the previous relative frequencies.
2. It provides insight into data distribution and can be used to construct ogive graphs.
3. The cumulative relative frequency for the last interval should always equal 1 or 100%.
4. It is often used in conjunction with cumulative frequency to give a clearer picture of data trends.
5. Cumulative relative frequency is useful for comparing different datasets on a common scale.

Review Questions

Related terms

Relative Frequency:

The ratio of the number of times an event occurs to the total number of observations.

Frequency Table:

A table that displays how often each distinct value or category in a dataset occurs.

Ogive: A graph that represents cumulative frequencies or cumulative relative frequencies along its y-axis.