A conservation group conducted a citizen science project to investigate how residents engage with urban wildlife monitoring. Participants completed an online questionnaire regarding their recording habits and preferences. Some of the gathered data is summarised in the tables below.
| Did you submit a wildlife sighting in the last month? | |
|---|---|
| 'yes' | 'no' |
| 175 | 105 |
| Preferred recording platform | ||
|---|---|---|
| 'mobile app' | 'web portal' | |
| Under 35 years old | 84 | 16 |
| 35 years old and over | 42 | 58 |
| Wildlife group | Number of reports |
|---|---|
| Avian (birds) | 68 |
| Mammalian (mammals) | 44 |
| Insecta (insects) | 32 |
| Amphibian (amphibians) | 12 |
| Reptilian (reptiles) | 8 |
| Arachnid (spiders) | 16 |
What is the ratio of residents who submitted a wildlife sighting in the last month to those who did not? Present your answer in its simplest form and show your workings.
513 exam-style questions on OCR A Level Psychology Data recording, analysis and presentation. Each one has a worked solution and a mark scheme showing where the marks go.