Method: Utilities::Statistics#midrange

Defined in:
lib/utilities/utilities.rb

#midrange(already_sorted = false) ⇒ Object

Return the midrange of sorted self



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# File 'lib/utilities/utilities.rb', line 125

def midrange( already_sorted = false )
  return nil if empty?
  a = sort_and_extend( already_sorted )
  (a.first + a.last) / 2.0
end