Corey and Dione both love to practice soccer in their backyards. Let C represent the number of goals Corey made in a week, and let D represent the number of goals Dione made in a week. The mean of the total amount, S = C + D, of goals made in a typical week is 138. What is the correct interpretation of this value? On average, Dione makes 138 goals per week.
Corey makes 138 more goals per week than Dione.
On average, Corey and Dione make 138 goals in a typical week.
If two weeks are randomly chosen, the sum of the number of goals made by Corey and Dione will be 138.