Hello, and welcome to the forum, chawanwat.
No need to worry, you are forgiven for you ignorance. If you stick around long enough, you will become a master of Internet speed/connection.
First stop, check out our Make It Faster sticky [LINK] and post back as much info as you can. It is important to know your advertised speeds in order to tweak your operating system properly, but if you have no means of finding out, I'm sure we can help you.
Keep in mind that the host average is polled from all users of all speed packages of your ISP.
Cheers, and happy tweaking.