You can actually install reports from the AppExchange. There's many Analytics apps that you can deploy in your org, which serve as a great starting point and template for you to expand upon for your own reports and dashboards.
Resources:
AppExchange - http://appexchange.salesforce.com/
Salesforce Adoption Dashboards - https://appexchange.salesforce.com/appxListingDetail?listingId=a0N30000004gHhLEAU
There are four report formats available in Salesforce - Tabular, Summary, Matrix, and Joined. To say that you need to know what those four report formats are on the Admin Exam would be an understatement.
In this lesson, I run through those four formats and what the characteristics of each are.
...
The most basic report you can create is a tabular report. It appears much like a basic Excel table. In this lesson, we create a tabular report - the first of the four report formats that we will be creating in this section of the course. Also, have I mentioned that you really need to have those f...
The second report format that we will now create is the Summary Report. Summary Reports are where you introduce groupings of your data by which you can then summarize that data.
4 Comments