-------------------------------------------------------------------------------
Midterm 1 base score stats:
-------------------------------------------------------------------------------
min:     16.00
max:     49.00
mean:    32.57
median:  34.00
modes:   [35.00]
std_dev:  6.95
Histogram:
 47.5- 50.0 : *
 45.0- 47.5 : **
 42.5- 45.0 : *
 40.0- 42.5 : *****
 37.5- 40.0 : *********
 35.0- 37.5 : ******************
 32.5- 35.0 : *******
 30.0- 32.5 : **********
 27.5- 30.0 : ****
 25.0- 27.5 : ********
 22.5- 25.0 : *****
 20.0- 22.5 : **
 17.5- 20.0 : ***
 15.0- 17.5 : *
 12.5- 15.0 : 
 10.0- 12.5 : 
  7.5- 10.0 : 
  5.0-  7.5 : 
  2.5-  5.0 : 
  0.0-  2.5 : 
counting 76 out of 81 students