$ ./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

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