Yes: https://stats.meta.stackexchange.com/review/reopen. It can be reached through the 'Review Queues' icon on the top bar (which looks like a horizontal bar chart with a tick in the bottom-right corner).
I have manually retagged 2 Qs with statistics tag and 1 additional Q with probability into on-topic.
The remaining 8 threads with statistics are all about site statistics, so it can now be renamed into site-statistics via moderator tools. I suggest you can do it now!
The wiki excerpt says
Questions about sizes and other quantities of Cross Validated ...
Some time has passed and it was possible to observe how the above cited tags evolved.
After a more carefully reading I came up with this proposal:
The CV tag questions (x8, +2) seems to label threads similarly to the main Stack Exchange site. Here it is their tag excerpt:
For questions regarding the nature of a "question" on StackExchange sites; e.g. ...