WordPress.org

Reporteur is a simple and fast Google Analytics Report snapshot, at a glance, in your WP admin.

It analyzes the live data coming from Google Analytics API and shows it to you right in your WordPress admin, in a convenient way. Note that, this report is to give a general and / or quick overview of your data, for every kind of detail and custom reports, please use Google Analytics' wonderful website emporium.

For a little bit more detail about the plugin it has its own page:

>> Reporteur Project Page