用C语言如何算平均数和方差及标准差

#include "stdio.h"#include "math.h"#define N 100void 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