Test
Student #	Mark (%)
55392	65
68634	88
72383	69.5
73366	77.5
73894	47.5
73944	76.5
74544	69.5
85326	82
86345	60.5
89523	69
89802	45
104036	44.5
107455	43.5
108423	63.5
120731	64
122131	42.5
123772	74
126710	57
135397	77
158488	63.5
199122495	70
Average	64.2619