12/1  Final average is for 12 labs with 2 drops
      NOTE: grades are not in alphabetical order
               LAB NUMBER
 ID   1  2  3  4  5  6  7  8  9 10 11 12     AVG
5079 19 17 16 16 19 19 19 20 20 19  0 20    18.80
9403 17 17 15 16 18 18 18 18 19  0 19 19    17.90
4984 15 18 17 16 17 17 16 18 16 16 19  0    17.00
1305 16 18 15 17  0 17  0 14  0  0  0  0     9.70
5044 15 18 15  0 15 18 17 17 16 19  0 16    16.60
7538 20 19 19 16  0 18 18  0 19  0  0  0    12.90
4694 16 15 16 18  0  0 18  0  0 20  0  0    10.30
4885 16 18 15 16 17 18 18 18 19 20 19 20    18.30
7295 19 17 18 18 20  0 19  0 18 19 20 17    18.50
1403 18 19 17 16  0 18 19 20 19  0 17 19    18.20
6739 12 16 18 18 18 16 16 19 18 18 18 19    17.80
5018 16 18 15 16 16 15 15 17 15 18  0 16    16.20
1310 15 18 15 16 16 16 16 17 16 16  0  0    16.10
0903 17 15 15 17 17  0 17 18 19 18 17  0    17.00
6164 17 17 17  0 19 19  0 19 19  0 19 18    16.40
6441 17 17 17 18 18 18 19 19 18 19 18  0    18.10
3245  0 17 17 16 17 15 19 17 18  0 18 19    17.30
4981  0 19 17 19 18 19 18 19  0 18 19 19    18.50