Median

median.rb

def median(array)
  sorted_array = array.sort
  if array.length % 2 != 0
    index = sorted_array.length / 2
    median = sorted_array[index]
  else
    index = sorted_array.length / 2
    median = (sorted_array[index].to_f + sorted_array[index-1].to_f) / 2
  end
end