Alexandra kept track of her salary for 15 weeks and created the histogram below what does the gap for 21-30 tell Alexandra about her weekly salary??

Answer:
I'm guessing the options are:
A. She did not work that week
B. Her salary was between 21 and 30 dollars
C. None of her paychecks were between 21 and 30 dollars
D. She only had 14 paychecks
The correct answer is C. None of her paychecks were between 21 and 30 dollars