these are final point totals
        hw  quiz  demo  test  exam  total
8733  10.0  14.4   2.6  29.0   7.9  63.9  C
7820   4.2   8.0   4.4  19.8   4.1  40.4  E
2492  10.0  15.6   4.8  36.3   5.3  71.9  C
2715  10.0  20.0   5.0  40.9   9.4  85.3  A
5546   6.3  18.9   0.0  28.3   5.6  59.0  C
4671  10.0  17.3   2.5  34.3   6.8  70.8  C
2788   7.8  15.6   4.9  28.6   6.8  63.6  C
6991   7.0  15.3   4.8  36.9  11.6  75.7  B
1652   2.7   8.4   5.0  26.1   4.5  46.8  D
6594   3.7  14.4   4.8  30.6   6.0  59.5  C
8400   9.8  14.7   4.4  27.4   5.6  61.8  C
4112  10.0  18.9   4.8  38.1  12.0  83.8  A
6627  10.0  16.7   5.0  35.1  10.1  76.9  B
9481   5.6   4.9   3.3  17.4   4.5  35.7  E