Example-
Array is: [1,2,3,4,5]
Average is: 3
program-
#include< stdio.h>
int main()
{
int a[20],n,i;
float sum=0;
float avg;
printf("Enter number of elements in array\n");
scanf("%d",&n);
printf("Enter %d number in array",n);
//input in array
for(i=0;i< n;i++)
scanf("%d",&a[i]);
//Now find the average
for(i=0;i< n;i++){
sum=sum+a[i];
}
avg=sum/n;
printf("Average is %f",avg);
}
Enter number of elements in array
6
Enter 6 number in array
1 2 3 4 5 6
Average is 3.500000