Loop in C language

Program to calculate average of n numbers..

#include<stdio.h>
#include<conio.h>
void main()
{
int n,i=0;
float num,sum=0,avg=0;
clrscr();
printf("How many numbers you want to be inserted: ");
scanf("%d",&n);
printf("Enter the numbers: ");
for(i=0;i<n;i++)
{
scanf("%f",&num);
sum=sum+num;
}
avg=sum/n;
printf("The average of n numbers is= %f",avg);
getch();
}