Answer:
The 6th item is 10
Explanation:
[] Mean is basically the average. Add all the numbers together and divide by number of numbers.
We can set up the following and solve for your answer:
[Equation]

[Multiply both sides by 6]

[Combine like terms]

[Subtract 38 from both sides]

Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather