We don't really calculate stats for you; however, you can to go Seller Admin > View/Download Transaction Log, select any specific date range, product, and/or affiliate you wish, and click View Log to view only transaction data matching those parameters.
You can then click Download Log to save that log view to a file on your computer which you can open with a spreadsheet program such as Excel or (free) Gnumeric, and run whatever statistical analysis you wish from there.
Affiliates can see details for every commission they've earned, by going to their own Affiliate Admin > View/Download Earning Report for any seller's affiliate program they've joined, and that report can also be downloaded to a spreadsheet file.