This is a quick to the point summary of the different ways to add google analytics to word press, as always M.T.C. thanks those other authors and contributors to the websites we have referenced below, without you this wouldn’t be possible:
You can find information how to install the plugin linked here and the download link below that:
http://yoast.com/wordpress/google-analytics/
http://downloads.wordpress.org/plugin/google-analytics-for-wordpress.zip
You can also manually add the code via the theme template editor provided in word press:
http://www.eblogtemplates.com/how-to-install-google-analytics-on-blogger/
Information Link for Google Analytics with Blogs and Overall:
http://analytics.blogspot.com/2009/06/back-to-basics-setting-up-google.html
http://www.google.com/support/googleanalytics/bin/answer.py?hl=en&answer=66983
Happy Blogging!