Question 3.25: Represent the data given in Example 3.24 on a pie chart.
Represent the data given in Example 3.24 on a pie chart.
| Year | Number employed in general engineering (thousands) |
Sector angle |
| 1995 | 800 | \left(\frac{800}{3535}\right) \times 360=81.5 |
| 1996 | 785 | \left(\frac{785}{3535}\right) \times 360=80 |
| 1997 | 690 | \left(\frac{690}{3535}\right) \times 360=70.3 |
| 1998 | 670 | \left(\frac{670}{3535}\right) \times 360=68.2 |
| 1999 | 590 | \left(\frac{590}{3535}\right) \times 360=60 |
| Total | 3535 | 360 |
Remembering that there are 360° in a circle and that the total number employed in general engineering (according to our figures) was 800 + 785 + 690 + 670 + 590 = 3535 (thousand), we manipulate the data as follows:
The resulting pie chart is shown in Figure 3.23.
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