these are final point totals
        hw  quiz  demo  test  exam  total
6314   1.0   8.9   0.0  22.8   7.1  39.8  E
4352  10.0  19.6   4.8  34.1   8.6  77.1  B
8513   5.6   8.2   4.9  18.0   4.9  41.6  E
9781  10.0  20.0   4.9  37.0   9.8  81.7  B
2723   9.8  18.9   4.8  32.3   6.4  72.1  C
3153  10.0  20.0   4.6  43.4  12.8  90.7  A
2230   9.2  17.8   4.6  35.4   7.5  74.5  B
0093   9.5  16.7   3.7  29.8   7.5  67.1  C
8059   3.6  11.1   1.9  17.8   6.4  40.7  E
8173   3.8   7.8   4.8  27.9   4.9  49.2  D
5043   8.4  16.4   4.7  21.5   8.6  59.7  C