All Scores

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
   5.00   60.00   68.00   66.75   78.00   98.00

  0 | 59
  1 |
  1 |
  2 | 1
  2 |
  3 |
  3 | 7
  4 | 3
  4 | 8
  5 | 134
  5 | 566667
  6 | 001223334
  6 | 555677888
  7 | 01233
  7 | 567778889
  8 | 1122344
  8 | 5679
  9 | 11
  9 | 8

Grad Students Only

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
  55.00   65.00   77.00   75.00   83.75   98.00

  5 | 56
  6 | 00233
  6 | 5556
  7 | 0
  7 | 567788
  8 | 12234
  8 | 5679
  9 | 11
  9 | 8

Undergraduates Only

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
   5.00   53.50   63.00   58.77   71.50   84.00

  0 | 59
  1 |
  1 |
  2 | 1
  2 |
  3 |
  3 | 7
  4 | 3
  4 | 8
  5 | 134
  5 | 6667
  6 | 1234
  6 | 77888
  7 | 1233
  7 | 789
  8 | 14

Problem 1

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
   1.00   13.00   16.00   15.52   20.00   20.00

  0 | 124
  0 | 8
  1 | 0011111233333334444
  1 | 555555667777789999999
  2 | 00000000000000000

Problem 2

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
   1.00   10.00   15.00   13.66   18.00   20.00

  0 | 113
  0 | 57777899
  1 | 0000011133333444444
  1 | 5555666666678888888888888888
  2 | 000

Problem 3

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
   0.00   17.00   19.00   17.34   20.00   20.00

  0 | 001
  0 | 9
  1 | 03344
  1 | 556677777888888889999999
  2 | 0000000000000000000000000000

Problem 4

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
   0.00   10.00   11.00   11.08   12.00   20.00

  0 | 0
  0 | 5777777777779
  1 | 0000000000000000111222222222222222333333
  1 | 888
  2 | 0000

Problem 5

   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
  0.000   8.000  10.000   9.148  10.000  20.000

  0 | 000000133
  0 | 5557778888
  1 | 0000000000000000000000000000013333333
  1 | 56
  2 | 000