|
1 a |
Fred
|
Jon
|
 |
| Median |
90
|
87
|
|
| Upper quartile |
95
|
98
|
|
| Lower quartile |
83
|
80
|
|
| Highest time |
102
|
105
|
|
| Lowest time |
77
|
75
|
b On average, Jon's times were better. Jon also had the fastest time of the season. However, Jon's times were more spread and Fred would apprear to be the more consistent runner.
| 2 |  |
School 1 has the highest median value and its results would appear to be the best overall. School 2 has the appears to be second in the overall ranking. School 3 has the lowest median and the lowest top score. This school could probably be considerd the poorest performing school in this exam. School 4 has the highest top score, the lowest bottom score. Its quartiles are also the highest and lowest. This school has the greatest spread of results. |
3
4 
