The data in Table 1 shows the results from a global health monitoring study on a chronic respiratory syndrome within a regional population.
| Age band (years) | Total cases recorded | Percentage of recorded cases who are female (%) |
|---|---|---|
| Under 25 | 1880 | 47.5 |
| 25–39 | 3240 | 51.5 |
| 40–54 | 4850 | 43.2 |
| 55–69 | 6140 | 38.5 |
| 70–84 | 5280 | 46.4 |
| 85+ | 2650 | 53.0 |
Using the data in Table 1:
Calculate the number of females in the registry who were recorded with the syndrome and were under 25 years old.
Calculate the number of males in the registry who were recorded with the syndrome and were in the 55–69 age band. Give your answer to the nearest whole number.
97 exam-style questions on OCR GCSE Biology 6.3 Monitoring and maintaining health, covering 6.3.1 Health and disease, 6.3.2 Interactions between diseases, 6.3.3 Spread of communicable diseases, 6.3.4 Common infections and diseases, 6.3.5 Physical plant defence responses, 6.3.6 Chemical plant defence responses, 6.3.7 Detecting and identifying plant diseases, 6.3.8 White blood cells and platelets, 6.3.9 Non-specific defence systems, 6.3.10 The immune system, 6.3.11 Monoclonal antibodies, 6.3.12 Vaccines and medicines, 6.3.13 Aseptic techniques, 6.3.14 Discovery and development of new medicines, 6.3.15 Causes of non-communicable diseases, 6.3.16 Treatments for cardiovascular disease, 6.3.17 Lifestyle factors and non-communicable diseases, 6.3.18 Cancer, 6.3.19 Stem cells in medicine, 6.3.20 Gene technology in medicine, and 6.3.21 The human genome and medicine. Each one has a worked solution and a mark scheme showing where the marks go.