quiz grades for W300                            avg*
2583-719  7  1  0                                3.20
5563-680  0  0  0                                0.00
5783-733 15 16 25                               19.40
0018-258  6 25 25                               21.20
8134-922 13 25 20                               20.60
0491-344  2  1  0                                1.20
5920-894  3  5  0                                3.20
2042-146 18 12  5                               13.00
1458-023 13 19 17                               17.00
2065-961 11 15 20                               16.20
1724-535  7 18 19                               16.20
0530-741  3 20 14                               14.20
9335-226  7 23 20                               18.60
7771-283 25  6  0                               12.40
1309-622  6  0 17                                9.20
4293-976  2  0  0                                0.80
0619-610  0  0  0                                0.00
2922-899 13  0  0                                5.20
6842-413 15 25 25                               23.00
8341-317 13 25 22                               21.40
2825-339 17 16 20                               18.00
8634-522  7  2  0                                3.60
6581-343  8 19 20                               17.20
1626-779  3  5  0                                3.20
5753-617  4  0  0                                1.60
1178-653 21 15  0                               14.40
6018-325 20 22 25                               22.80
6609-093  0  0  0                                0.00
 *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