Self-Study AP Stats

<p>Hey everyone, so this is my first time posting something but I've been here multiple times. So, my schedule for next year, 10th grade, is:
AH English 2
AH Chemistry
AH Algebra 2
AH Geometry
APUSH
Spanish 2 H
Personal Finance H/Economics H
I want to take HL Math 11th grade year but my counselor said I need to have completed Stats or successfully pass the exam for it if I want to take it. Should I study it myself and take the exam or do I need Algebra 2 to take it?</p>