Respuesta :
Answer:
its 16
Step-by-step explanation:
on the graph just count how many shipments they had like 1-10 it was at 4 at 11-20 it was at 5 at 21-30 was at 4 at 31-40 was at 1 and 41-50 was at 2 so just add all of though's together 4+5+4+1+2= which gives 16
