A cumulative frequency distribution is
A) a tabular summary of a set of data showing the relative frequency.
B) a tabular summary of a set of data showing sums of frequencies.
C) a tabular summary of a set of data showing the frequency of items in each of several nonoverlapping classes.
D) a graphical device for presenting categorical data.

Question

Quizplus · Accepted Answer

A cumulative frequency distribution shows the cumulative (running) totals of frequencies as you go through the different classes or intervals in a frequency distribution table. Therefore, the correct option is B, which describes a tabular summary of data showing sums of frequencies.

A Cumulative Frequency Distribution Is