The line plot shows the number of hours students in Mrs. Timberlake’s class worked on a project. How many students are included in the data?

Answer:
15
Step-by-step explanation:
I got this answer because I just added up all the x's.
1=3
2=2
3=5
4=3
5=2
3+2= 5
5+5=10
10+3=13
13+2=15