# Worksheet: Frequency Curve

In this worksheet, we will practice reading and interpreting statistics data form a frequency curve.

**Q4: **

The line graph shows the marks 120 students received in a mathematics test. How many students received less than 40 marks?

**Q5: **

The line graph shows the marks a group of students received in a test. Using the graph, complete the frequency table.

Marks | 0– | 10– | 20– | 30– | 40– | 50– | 60– | Total |
---|---|---|---|---|---|---|---|---|

Frequency | 60 |

- A5, 7, 10, 11, 13, 8, 7
- B4, 7, 10, 11, 13, 7, 8
- C4, 10, 7, 11, 13, 8, 7
- D4, 7, 10, 11, 13, 8, 7
- E5, 8, 11, 12, 14, 9, 8

**Q6: **

The line graph shows the marks 120 students received in an exam. How many students received 20 marks or more?

- A40
- B50
- C90
- D80