Question

用C语言如何算平均数和方差及标准差

Answer 1

#include "stdio.h"

#include "math.h"

#define N 100

void main()

{

int a[N],n,i;

float aver,s;

float sum=0,e=0;

printf("请输入样本量：");

scanf("%d",&n);

printf("请输入%d个样本：",n);

for(i=0;i