java计算方差

最新推荐文章于 2023-04-23 19:34:39 发布

雷振江

最新推荐文章于 2023-04-23 19:34:39 发布

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  public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.printf("请输入五个数");
        int a = scanner.nextInt();
        int b = scanner.nextInt();
        int c = scanner.nextInt();
        int d = scanner.nextInt();
        int e = scanner.nextInt();


       double sum = (a+b+c+d+e)/5;


        double f = (a-sum)*(a-sum)+(b-sum)*(b-sum)+(c-sum)*(c-sum)+(d-sum)*(d-sum)+(e-sum)*(e-sum);
        double f1= f/5;
          System.out.printf("方差为"+f1);
    }