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Big Oh Analysis base score stats:
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min:     18.00
max:     100.00
mean:    83.52
median:  90.00
modes:   [90.00]
std_dev: 14.39
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 52 out of 55 students