Do-able? Yes, why not?
Alot of the time it comes down to the commitment and dedication you have to your course load.
Obviously you're smart enough to enter the program that you're in right now. But are you smart enough to keep in it?
If you feel confident that your highschool data management marks can propel you through 1L03 then go for it! If math is your strong suit, then go for it.
I had to take STATS1L03. I did fairly well, but the teacher was easy. Seems like McLean is teaching it this year, he does a good job.
So if the questions I asked above satisfy, then I'd say go for it. But... gotta keep in mind, STATS as an elective is not the same as... other course