Overview of group coursework performance

The group coursework is a difficult assessment marked on a difficult scale. Summary of the class marks are here:

|mean |  57.25|
|std  |  14.55|
|min  |  42.00|
|25%  |  47.50|
|50%  |  53.00|
|75%  |  60.00|
|max  | 100.00|