fn main() {
let digits = vec![10.0, 2.0, 3.0, 4.0, 5.0, 8.0];
println!("input : {:?}", digits);
println!("count : {}", digits.len());
let mean_number = easy_stats::mean(&digits);
println!("mean {}", mean_number);
let v = easy_stats::variance(&digits);
println!("variance {}", v);
let standard_deviation = easy_stats::std(&digits);
println!("standard deviation {}", standard_deviation);
}