For you who are new in using Blogspot and do not know how to install Google Analytics code on your Blogspot website, here is the tutorial how to do it.
First of all, login to your Blogspot website. After that click Settings menu.
On the left hand side menu, click Other.
Scroll down to bottom, and you will see Google Analytics code field.
Key in your code in format UA-xxxxxxx-xx and click Save button.