Stats and other visitor's detail given by blogger stats are not always true and cannot give every details like screen resolution, IP Address and other details.But Google Analytics do this easily.
Now let we check how to do it
First of all you need a Google account(a Gmail account) If you don't have a gamil account you can easily create one by going HERE
If you do already have a Google account then sign to that account with Gmail
Now Go to Google Analytics and sign up for a new account
On the sign up page give all details regarding your name and website details like name URL and all.
When adding website URL do remember to add http;// before the address
Linking Between Blogger blog and Google Analytics
Now Scroll down and click on the option get tracking ID
Now you will get a alphanumeric code which you want further
Now copy that alphanumeric code
Go to Blogger Dashboard >Settings
Now in the Tracking ID Field paste and save your unique code there
Now your done you have linked your Blogger blog with Google Analytics, To check your Blog stats go to your analytics dashboard and find how users interact with your blog
If you are using Classic Template then Read this article