Mean of Array

//to find mean of n array number
#include<stdio.h>
#include<conio.h>
void main(){

int n,i,arr[100],sum;
sum = 0;
float mean;
printf("Enter number of data element\n");
scanf("%d",&n);
printf("Enter value of %d elements\n",n);
for(i=0;i<n;i++){
    printf("Enter value of %d element",(i+1));
    scanf("%d",&arr[i]);
}
  sum=0;
    for(i=0;i<n;i++)
    {
        sum = sum + arr[i];
    }
    mean = ((float)sum/n);
printf("Mean of %d element is %f",n,mean);
getch();
}