$ ./stats small.txt                                                             
Results:                                                                        
-------                                                                         
num values:         16                                                          
       min:      0.500                                                          
       max:      3.000                                                          
      mean:      1.812                                                          
    median:      2.000                                                          
   std dev:      1.031                                                          
unused array capacity: 4                                                        

$ ./stats large.txt
Results:
-------
num values:         94
       min:      0.333
       max:      3.000
      mean:      1.161
    median:      1.000
   std dev:      0.788
unused array capacity: 66