// Compiler : Dev-C++ 4.9.9.2
#include<stdio.h>
#include<math.h>
#define max 10
int main()
{
int i,n;
float x[max], avrg, var, SD, sum=0, sum1=0;
printf("Enter The Value Of N : ");
scanf("%d",&n);
printf("\n\nEnter %d Real Numbers.\n\n",n);
for(i=0; i<n; i++)
scanf("%f",&x[i]);
// Computing The Sum Of All Elements.
for(i=0; i<n; i++)
sum+=x[i];
avrg=sum/(float)n;
// Computing Varaience And Standard Deviation.
for(i=0; i<n; i++)
sum1+=pow((x[i] - avrg),2);
var=sum1/(float)n;
SD=sqrt(var);
printf("\n\nAverage : %.2f",avrg);
printf("\n\nVarience : %.2f",var);
printf("\n\nStandard Deviation : %.2f",SD);
getch();
return 0;
}
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