What have you tried to do to generate that graph? You have to make your question more clear and free of typing-errors to get a good response.. you need to show more code too which describes the error you get...
C:\Documents and Settings\m>perl -
@data1 = qw(1 2 3 4);
@data2= qw(5 6 7 8);
@data_All = (@data1, @data2);
print @data_All;
__END__
12345678 #It works fine!!