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);
}
java计算方差
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转载自blog.csdn.net/leizhenjiang/article/details/81209455
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