Averages/Arithmetic mean

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ghul

use IO.Std.write_line

use Collections

use Ghul.Pipes

mean(values: List[double]) -> double =>

values |> reduce(0.0D, (total, value) => total + value) /

cast(values.count)

write_line("mean: {mean([1.0D, 2.0D, 3.0D, 4.0D, 5.0D]):F1}")

mean: 3.0