GeoGebra Classroom Standardising Scores
Take a look at the data below.
In which test did Amy perform better?
| Student | History | Science |
| Amy | 53 | 57 |
| Bertie | 65 | 48 |
| Charlie | 68 | 87 |
| Dan | 49 | 50 |
| Edith | 58 | 89 |
| Fran | 72 | 100 |
| Gary | 39 | 28 |
| Herbert | 57 | 62 |
| Issy | 54 | 40
|
| Jill
| 62 | 96 |
| Karen | 55 | 80 |
| Leon | 40 | 15 |
| Marty | 62 | 93 |
| Norbert | 64 | 97 |
| Othello | 47 | 3 |
| Student | History | Science |
All the scores are plotted on number lines below, along with the class means.
Play with the sliders; they may help you to come up with your answer.