Program Rata - Rata

program rata;
uses wincrt;
var i, n: integer;
    x, sum, mean: real;
begin
     writeln ('banyaknya data= ');
     readln (n);
     for i:=1 to n do

     begin
          writeln ('data ke',i,'= ');
          readln (x);
          sum:= sum+x;
     end;
     mean:=sum/n;
     writeln('rata-rata= ', mean:9:4)
end.