# 10.06 Cumulative frequency tables and graphs

## Interactive practice questions

For the given frequency table:

a

Complete the cumulative frequency column.

Score $\left(x\right)$(x) Frequency $(f)$(f) Cumulative Frequency $(cf)$(cf)
$1$1$\to$$44 44 \editable{} 55\to$$8$8 $5$5 $\editable{}$
$9$9$\to$$1212 99 \editable{} 1313\to$$16$16 $5$5 $\editable{}$
$17$17$\to$$20$20 $4$4 $\editable{}$
b

Calculate the total frequency.

c

Identify the class size.

Easy
Approx 2 minutes

For the given frequency table:

For the given frequency table:

A principal wants to investigate the performance of students at his school in Performing Arts. To do this, he has the marks of each student studying Performing Arts collected into groups and put into a frequency table. Each group of marks is assigned a grade.

The frequency table for this is shown below.

### Outcomes

#### MS11-2

represents information in symbolic, graphical and tabular form

#### MS11-7

develops and carries out simple statistical processes to answer questions posed