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Spring 2008 Homework 4: Machine Learning base score stats:
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min:      0.00
max:     100.00
mean:    79.21
median:  88.00
modes:   [92.00]
std_dev: 21.71
Histogram:
 95.0-100.0 : ***************
 90.0- 95.0 : *****************
 85.0- 90.0 : *********
 80.0- 85.0 : *****
 75.0- 80.0 : *****
 70.0- 75.0 : ****
 65.0- 70.0 : **
 60.0- 65.0 : ****
 55.0- 60.0 : 
 50.0- 55.0 : 
 45.0- 50.0 : **
 40.0- 45.0 : ****
 35.0- 40.0 : 
 30.0- 35.0 : *
 25.0- 30.0 : 
 20.0- 25.0 : **
 15.0- 20.0 : 
 10.0- 15.0 : 
  5.0- 10.0 : 
  0.0-  5.0 : *
counting 71 out of 81 students

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Homework 4: Machine Learning extra credit score stats:
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min:      0.00
max:      2.00
mean:     0.56
median:   0.00
modes:   [ 0.00]
std_dev:  0.91
Histogram:
  1.0-  2.0 : ********************
  0.0-  1.0 : ***************************************************
counting 71 out of 81 students