#!/usr/local/bin/ruby

pts = [198, 37, 66, 28, 33, 45, 46, 32, 2, 99]
sum=0
min = max = pts[0]
for x in pts
  sum += x
  if min > x then
    min = x
  elsif max < x then
    max = x
  end
end
printf("平均値 %f\n", sum.to_f/pts.length)
printf("最大値 %d\n", max)
printf("最小値 %d\n", min)