Follow the steps below in order to setup tracking on your site with Google Analytics:

1. Login to you Canvas Administration Interface
2. Go to "Extensions > Module Manager"
3. Find the "Google Analytics Tracking" module and click on it to view the edit page
4. On the right side, enter your Google Analytics Account code and site id
5. Click on "Save"

Note that stats generated by your site will not appear immediatelly on your Google Analytics account since their reports are not real-time. Allow at least 24 hours until you start viewing the traffic appear in your Google Analytics account.