Respuesta :
if you want to find the mean you add up all of the numbers listed then divide the number you get which will be 160 by 8 because you have eight numbers and the answer will be 20 which is D
Answer:
20
Step-by-step explanation:
Mean = Sum of numbers ÷ how many numbers are there
sum of numbers = 137.23
how many numbers are there = 7
Mean = 137.23 ÷ 7
= 19.6
approximated = 20