Select the correct answer.
Ms. Aniston asked seven students in her class to collect pet food cans for a local animal shelter. The dot plot shows the number of food cans collected by each student. Each dot represents one student.
A dot plot plots pet food can collection by students. 2 students collected 6 cans, 2 students collected 7 cans, 2 students collected 9 cans, and 1 student collected 8 cans.
What is the median of the data set?
A.
8
B.
9
C.
6
D.
7