Menghitung rata" dengan ARRAY

#include<iostream.h>
#include<conio.h>
void main()
{
     float data[11];
     float total, rata;
     cout <<"Masukkan data:"<<endl;
for (int i=1; i<=10; i++)
{
     cout<<i<<". ";
     cin>>data[i];
}
//Menampilkan data array
 cout<<"Menampilkan semua data array:"<<"\n";
for (i=1;i<=10;i++)
{   cout<<data[i]<<"\n"; }
cout<<"Menghitung rata-rata:"<<"\n";
total = 0;
for (i=1;i<=10;i++)
{     total = total + data[i];  }
rata = total/10;
cout<<"Nilai rata-rata: ";
cout<<rata;
getche();
}