The median of the set $\{n, n + 5, n + 6, n + 9, n + 15\}$ is 9. What is the mean?
Question:
The median of the set $\{n, n + 5, n + 6, n + 9, n + 15\}$ is 9. What is the mean?
Answer:
Let's think step by step.

user
10
The median of the set $\{n, n + 5, n + 6, n + 9, n + 15\}$ is 9. What is the mean?
train