Respuesta :
First you add all the numbers together. So you add 82+93+75+89 to get 339. Once you get that, you divide it by the amount of numbers there are. In this case, it's 4. 339 divided by 4 is 84.75.
HOPE THIS HELPS!!
Answer:
The average of the John scores is 84.75.
Step-by-step explanation:
Formula of average is given as :
[tex]A=\frac{\text{Sum of all the terms}}{\text{Number of terms}}[/tex]
We have:
Test grades of John: 82, 93, 75, and 89
Number of terms - 4
Average of the score of the John;
[tex]a=\frac{82 + 93 +75 + 89}{4}=84.75[/tex]
The average of the John scores is 84.75.