Answer:
9.b 10.32 11.6 12.11
Explanation:
9=a.Most students read 12 books
c.8.6 was then averaged.
d.there's a 16 book
10. highest number minus lowest number (54-22)
11. there's 16, 15,13,12,9,8
12. the median was just middle in box plot where the line is