Assignments and tests statistics

Homeworks and tests statistics:

	max possible	average	median	standard deviation	max grade received	min grade received
PS1	100	69.75	76	24.58	98	18
PS2	100	77.57	87.5	24.99	100	31
PS3	100	85.23	85	13.32	100	60
PS4	100+10	67.54+4.8	71+6	19.26+4.8	100+10	35+0
PS5	100+25	83.31+13.9	85+15	19.7+8.4	100+25	39+5
PS6	100	84.31	93	22.14	100	35
PS7	100	87.69	95	18.33	100	50
PS8	100	91.85	100	11.98	100	67

Remark #1: the extra credit will be incorporated in the final homework grade at the end of the semester. For now it's being withheld from the calculation so that the grade distribution is less spread out.