Respuesta :
Answer:
Step-by-step explanation:
add all divide by to total no.of value
64/4=16
mean=16
Answer:
21
Step-by-step explanation:
The missing value is x.
Let's equate the terms to the mean.
⇒ 15 + 17 + 13 + 19 + x / 5 = 17
⇒ 64 + x = 85
⇒ x = 21