quiz grades for W1200                           avg*
5461-306  0  0  0                                0.00
8948-517 15 14 19                               16.40
1856-552 16 20 20                               19.20
2151-053 16 15 17                               16.20
7600-909 15  9 12                               12.60
8106-123 17  2  7                               10.00
3761-225 18 14 20                               18.00
3413-441  0  0  0                                0.00
9799-486 19  0  0                                7.60
0374-390 16  0  0                                6.40
6932-684 16 14 20                               17.20
3644-402 18  0 15                               13.20
0516-581 17 12 21                               17.60
8657-154 21 25 25                               24.20
6098-173 25  9  0                               13.60
5565-412 12  0  0                                4.80
9432-066 25 20 23                               23.20
3297-780 25 24 25                               24.80
0626-994 17 13 10                               14.00
3130-592 14 12 13                               13.20
4768-052 14 13 13                               13.40
7497-204 25 25 24                               24.80
8492-770 16 20 25                               21.20
9075-161 25 18 20                               21.60
7516-777 16  9 18                               15.40
6017-420 14 17 10                               14.40
8912-026 25 16  0                               16.40
5102-342 25 25 21                               24.20
 *the average (out of 25) was computed with the quiz
  of lowest score weighted by a factor of one-half
  compared to the other quiz scores