Respuesta :

To get the mean you add all numbers together

25+20+15+22+20 = 102

Then divide what you get by how many numbers there is .

102/ 5 = 20.4

Answer is = D) 20.4

Answer:

D. 20.4

Step-by-step explanation:

Mean = 20 + 25 + 15 + 22 + 10 ÷ 5

= 102 ÷ 5

= 20.4 answer.