what blogging account are you using and is the site hosted on your own website or by the blogging provider?
Do you mean how to install it? If yes, just follow this tutorial : http://www.eblogtemplates.com/how-to-install-google-analytics-on-blogger/ - Dynashox -
Since you are using blogspot, just sign up google analytics with your blogger account, this is the most simple way
I think it is better for you http://www.eblogtemplates.com/how-to-install-google-analytics-on-blogger/
Yes, you can use google analytics for blogger account, for that you need to just sign up with google analytics and put ga code into your template of blog and verify it after wards your google analytics account will work..