Pre-Extra Credit 

Total points: 50
Average: 33.74
Median: 34
High Score: 50

A: 39-50 (11)
B: 33-38 (11)
C: 27-32 (7)
D: 21-26 (3)
F: 0-20 (3)

Extra Credit:
check = (nearly) perfect, +2 to exam score
check-minus = i made comments, +1 to exam score