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.