Answer:

The average age of the students is:

A) 15

B) 16

C) 17

D) 18

Solution: To find the average, we add up all the ages and divide by the total number of students:

(15 + 13 + 14 + 16 + 16 + 13 + 16 + 18 + 17 + 15 + 14 + 16 + 17 + 18 + 18 + 13 + 15 + 14 +17+16)/20 =

302/20 =

15.1

Therefore, the answer is A) 15 (rounded to the nearest whole number).

Answer:

15.55% is the average of ages of students

Step-by-step explanation:

13x3=39

14x3=42

15x3=45

16x5=80

17x3=51

18x3=54

39+42+45+80+51+54=311

311÷20=15.55