RosettaCodeData/Task/Statistics-Basic/Perl-6/statistics-basic.pl6

11 lines
333 B
Raku

for 100, 1_000, 10_000 -> $N {
say "size: $N";
my @data = rand xx $N;
printf "mean: %f\n", my $mean = $N R/ [+] @data;
printf "stddev: %f\n", sqrt
$mean**2 R- $N R/ [+] @data »**» 2;
printf "%.1f %s\n", .key, '=' x (500 * .value.elems / $N)
for sort @data.classify: (10 * *).Int / 10;
say '';
}