marks distribution (test and best SEVEN coursework marks):

 0- 9	 0
10-19	 0
20-29	 4
30-39	 3
40-49	12
50-59	 7
60-69	22
70-79	12
80-89	 4
90-99	 1
100	 0

average: 59.5, median: 62.9