Consider the Following to Answer the Question(s) Below

Multiple Choice

Consider the following to answer the question(s) below:
The boxplots below show monthly sales revenue figures ($ thousands) for a discount office supply company with locations in three different regions of Canada (Atlantic, Central and West) .
-A student recently wrote an entrance exam and was informed that his score placed him at the 80th percentile. This indicates that

A) 80 students who also took the exam scored below him.
B) he scored as high or higher than 80 percent of all those who wrote the exam.
C) he was in the bottom 20 percent of those who wrote the exam.
D) his z-score was 80.
E) his exam mark was 80 out of 100.