As usual, you probably noticed that when you start adding modules or plugins, your statistics widget goes haywire and only displays a letter or something... Well, let us fix their **** again. This problem should have been caught in their QC Department but didn't! It is a good thing that we exist, huh? The whole issue is because of a double entry. This has been going on for years! I have been around awhile! LOL
Go to your core statistics widget and open folder that contains  files. Open the index.tpl file. This file in located in /application/modules/Core/widgets/statistics/
The fifth line up from bottom you will find this:
<div><?php echo $this->translate(array($key, $key, $value)) ?></div>
Remove one of the "$key, " so that it looks like this:
<div><?php echo $this->translate(array($key, $value)) ?></div>
"Save" the file and return back to your frontend of website. Refresh the page and your Statistics Widget should work properly! Cheers!