C语言：计算并输出给定10个数的方差。

//计算并输出给定10个数的方差。

 #include<math.h>
 #include<stdio.h>
 double fun(double x[])
 {
     double p = 0.0,f=0.0,g=0.0;
     for (int i = ; i < ; i++)
     {
         p += x[i];
     }
     p = p / ;
     printf("%f\n", p);
     for (int j = ; j < ; j++)
     {
         g = x[j] - p;
         f += g*g;
         printf("%f\n", f);
     }
     f = f / ;
     f = sqrt(f);
     return f;
 }
 void main()
 {
   FILE *wf;
   double s,x[]={95.0,89.0,76.0,65.0,88.0,72.0,85.0,81.0,90.0,56.0};
   int i;
   printf("\nThe original data is:\n");
   for(i=;i<;i++)
      printf("%6.1f ",x[i]);
   printf("\n\n ");
   s=fun(x);
   printf("s=%f\n\n ",s);
 /******************************/
   wf=fopen("out.dat","w");
   fprintf(wf,"%f",s);
   fclose(wf);
 /*****************************/
 }