HW6.11

 import java.util.Scanner;

 public class Solution
 {
     public static void main(String[] args)
     {
         Scanner input = new Scanner(System.in);
         double[] number = new double[10];
         System.out.print("Enter ten numbers: ");
         for(int i = 0; i < 10; i++)
             number[i] = input.nextDouble();

         input.close();

         System.out.println("The mean is " + mean(number));
         System.out.println("The deviation is " + deviation(number));
     }

     public static double mean(double[] array)
     {
         double sum = 0;
         for(double i: array)
             sum += i;
         return sum / array.length;
     }

     public static double deviation(double[] array)
     {
         double squareSub = 0;
         for(double i: array)
             squareSub += (mean(array) - i) * (mean(array) - i);
         return squareSub / (array.length - 1);
     }
 }