Your webhosting will have been setup for you and you should have the details you need in order to make use of it. If not, contact support.

FTP

FTP: your domain name
Username: Your supplied address
Password: Your supplied password

Logs are available in the logs/ directory visible in your FTP client when you connect.
Graphical site statistics are available on the web at http://-your domain-/logs/. You will have to enter your username and password in order to view them.