Answer:
B. 14.8
Step-by-step explanation:
In order to find the average, you need to find the mean.
So you add up all the students: [tex]19+13+19+9+14+15=89[/tex]. Then you divide that number by the number of classes she has: [tex]89/6= 14.8333333...[/tex]Finally, you round to the nearest tenth place: 14.8.
