A sociologist conducted an observational study to investigate how people react when a stranger holds a heavy entrance door open for them at a busy university library. Over a three-hour period, she recorded the following reactions of students entering the building.
Table 1: Different behaviours observed when a door is held open
| Walks through without acknowledging | Smiles | Says thank you | Nods and makes eye contact | Waves/gestures | Total |
|---|---|---|---|---|---|
| 90 | 54 | 30 | 18 | 8 | 200 |
What is the simplified ratio of the number of times people walked through without acknowledging to the number of times people said thank you? Show your working.
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.