All Scores

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
  41.00   83.50   90.00   86.33   93.00   98.00

  4 | 1
  4 | 
  5 | 
  5 | 
  6 | 
  6 | 6779
  7 | 334
  7 | 6699
  8 | 234
  8 | 5677777889
  9 | 00000011111222333333444
  9 | 5667788

Grad Students Only

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
  67.00   90.75   93.00   89.71   95.25   98.00

  6 | 779
  7 | 
  7 | 9
  8 | 
  8 | 5
  9 | 011123333444
  9 | 5667788

Undergraduates Only

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
  41.00   80.50   87.00   83.71   90.00   93.00

  4 | 1
  4 | 
  5 | 
  5 | 
  6 | 
  6 | 6
  7 | 334
  7 | 669
  8 | 234
  8 | 677777889
  9 | 00000112233

Problem 1

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
    6.0    18.0    20.0    18.4    20.0    20.0

  0 | 6
  1 | 2344
  1 | 5667777788888999999999
  2 | 0000000000000000000000000000

Problem 2

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
   3.00   14.00   16.00   14.98   17.00   20.00

  0 | 3
  0 | 88
  1 | 001122344444444
  1 | 555555555666667777777777777777778889
  2 | 0

Problem 3

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
   0.00   19.50   20.00   17.65   20.00   20.00

  0 | 00000
  0 | 
  1 | 4
  1 | 55778889
  2 | 00000000000000000000000000000000000000000

Problem 4

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
   9.00   16.00   16.00   16.38   16.50   20.00

  0 | 9
  1 | 122333
  1 | 55566666666666666666666666666666667
  2 | 0000000000000

Problem 5

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
  13.00   20.00   20.00   18.91   20.00   20.00

  1 | 333333
  1 | 56777
  2 | 00000000000000000000000000000000000000000000