12. Univariate Data
Standard Level
12.04 Create and interpret cumulative frequency tables and polygons
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$→$4$4 | $4$4 | $\editable{}$ |
| $5$5$\to$→$8$8 | $5$5 | $\editable{}$ |
| $9$9$\to$→$12$12 | $9$9 | $\editable{}$ |
| $13$13$\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
1min
For the given frequency table:
Easy
2min
For the given frequency table:
Easy
2min
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.
Easy
2min
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