An organic chemist is investigating the effect of a newly developed catalyst on the rate of a polymerization reaction. In ten independent laboratory trials, different concentrations of the catalyst, CCC (measured in g l−1\text{g~l}^{-1}g l−1), were introduced, and the time taken for the reaction to complete, TTT (measured in seconds), was recorded.
The results are shown in the table below:
| Trial | Catalyst concentration, CCC (g l−1\text{g~l}^{-1}g l−1) | Reaction time, TTT (seconds) |
|---|---|---|
| A | 1.2 | 82 |
| B | 1.8 | 65 |
| C | 2.5 | 50 |
| D | 3.0 | 41 |
| E | 3.4 | 38 |
| F | 4.0 | 25 |
| G | 4.5 | 18 |
| H | 4.8 | 15 |
| I | 5.2 | 11 |
| J | 5.5 | 8 |
Draw a fully labelled scatter diagram to represent these data.
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.