gistfile1.txt

class CalculatedAverage
  def self.calc(goal=30, num_datums=30)
    # num_datums must be even (and num_datums / 2 must be > the goal)
    datums = []

    (num_datums / 2).times do |i|
      datums << goal + (i)
      datums << goal - (i)
    end

    avg = datums.inject(0.0, &:+) / datums.size.to_f
    puts avg

    datums.sort!
  end
end