Assignments and tests statistics

Homeworks and tests statistics:

	max possible	average	median	standard deviation	max grade received	min grade received
PS1	100	55.42	50	27.66	100	17
PS2	100	77.17	76.5	11.65	94	50
PS3	100	63.50	61	14.49	93	36
PS4	100	76.38	79	15.60	98	41
PS5	100	65.64	68.5	20.9	96	18
PS6	100	72.21	73	17.24	100	40
PS7	100	88.87	93	12.65	100	64
PS8	100	79	80	16.07	100	55
PS9	100	76.50	82	21.22	98	29
PS10	100	54.92	48	21.52	92	20
PS11	100	77.2	84	17.8	95	36
MIDTERM	100	70.2	68.5	19.42	100	44
FINAL	100	68.33	70	23.24	98	30

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.