Histograms
A histogram is a graph of data. It compares the distribution or frenquency of different values or ranges of values.
In order to draw a histogram, a frequency table is needed.
| Mark | Frequency |
| 1 | 5 |
| 2 | 10 |
| 3 | 10 |
| 4 | 15 |
| 5 | 0 |
| 6 | 10 |
| Mark | 1 |
|---|---|
| Frequency | 5 |
| Mark | 2 |
|---|---|
| Frequency | 10 |
| Mark | 3 |
|---|---|
| Frequency | 10 |
| Mark | 4 |
|---|---|
| Frequency | 15 |
| Mark | 5 |
|---|---|
| Frequency | 0 |
| Mark | 6 |
|---|---|
| Frequency | 10 |
The histogram is shown below.